Np271 vs np273. Quality transmission upgrade available.
273 is electric shift esof. This gasket and seal kit is for the Dodge NP271 and NP273 only. (HV064) (21966): Transfer Case Components - Amazon. 34 spline; fits units '03+ mated with either s6-650 manual, or 5r110w automatic transmission; fits np271 & np273 equipped '03+ ford super duty models: f250, f350, f450, f550, & excursion mated to either 5r110w 5-speed automatic or s6-650 6-speed manual transmission: The 5. Manual and automatic trans are different splines. 95 Inches Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Nov 3, 2023 · There is no point in adding synchros to an NP271, the only purpose they serve on the NP273 is to bring the front driveshafts up to speed while moving so the auto hubs can engage. Mar 30, 2017 · Thinking about doing a rebuild but I'm debating if I want to rebuild the BW 4407 or mount up a NP271. ) are now possible. Am I over looking anything else. nv271 nv273 '03+ transfer case: rebuild kit . This transfer case contains a plethora of upgrades and has been marked down to an all-time low price. Oct 16, 2014 · Now im sure uve all heard this many times but I swapped my transfer case from auto to manual its on a 2000 7. Kit Includes: Seals, O-Rings, Gaskets & Washers ; Everything you will need to full reseal your transfer case! Dodge: 100, 150, 200, 250, 300, 350, 1500, 2500, 3500, Series light trucks Our NP271 transfer case parts fit a variety of models, including Ford Excursion, Bronco and F-Series models built between 1999 and 2003. Buy Dodge Ram 2500 3500 2003+ NP271 NP273 AAM 1415 Series Slip Yoke 34 Spline, 40038537 - Transfer Case Parts at Wholesale Pricing. The NP271 is a manual shift t-case, while the NP273 is an electric shift t-case. Heavy payloads accompanied by gross vehicle weights of 7938 kilograms (17,500 lbs. This is a combination kit, so it will fit all NP271's and NP273's. Please select a model number that matches your vehicles transfer case tag below. 1999-up FORD EXCURSION, F250, F350, F450, & F550 SUPER DUTY Trucks. 2003-2012 Dodge RAM 2500 & 3500 Series Pickups Apr 12, 2024 · Np271 np273 transfer case snap ring for front output bearing fits '99Case transfer motor f250 shift shifter superduty steve 2008 Transfer case rebuild kit chevy gmc fits equipped271d transfer case 03-12 dodge trucks 2500/3500. NP271, NP273 Extension Housing Bushing (Dodge) 45379. Like. NP271 & NP273 EQUIPPED DODGE TRUCKS. Dodge NP271 Transfer Case Rebuild Kit w/ Front Half Bearings Gaskets Seals Chain. 271 is manual shift. Mar 23, 2022 · Compatibility: Compatible with NP271 NP273, Compatible with Chevy Kodiak GMC Topkick 2003-up NP273C NV273C, Compatible with Ram 2500 3500 2012-2018 BW4446 & BW4447 Electric Shift OE Replacement: A transfer case chain makes shifting from two-wheel drive to four-wheel drive easier. It will be replacing an NP263XHD. 11, H-2 wheels,35/12. 1999 - 2003 7. Thank for any Jan 4, 2022 · -97 Dodge 2500 ext cab 4×4,, NV4500, the usual stuff with an SXE 362 . All of the parts are shown in the picture. Feb 20, 2023 · NP273 Votes: 0 0. NP271 NP273 TRANSFER CASE SNAP RING FOR FRONT OUTPUT BEARING FITS '99. - Allstate Gear Offers a Complete Line of NP273 Transfer Case Rebuild Kits and Replacement Parts at Wholesale Pricing. np273f '03+ transfer case: input shaft. Oct 23, 2020 · This model is chain driven. 31-spline; fits units mated to either zf s5-47m manual or 4r100 automatic . 72:1 ratio, and has a aluminum case has either 4WD part-time manual shift. 99 NP273: 24 Spline front input shaft super duty (electric shift) manual 6 speed transmission w//o speedo hole 1999-2005: NP271: 24 Spline front input shaft super duty (manual shift) manual 6 speed transmission w//o speedo hole: 2003-2005: NP271: 34 spline input gear super duty electric shift w/o speedo hole, 5 speed automatic ZF: 2003-2005: NP273 We are now offering a Manual shift conversion kit for the Ford NP271 transfer cases found in 1999-2010ish F250 F350 F450 and F550 trucks and excursions . 72:1 ratio, and has a aluminum case has either 4WD partl-time manual shift. quality bearings by nachi, koyo, & ina usa: front output shaft The NP273 is a chain driven model cast in aluminum and acts as an improvement to the 271. Dodge NP273 - New Process Transfer Case Rebuild Package Description Package Includes: (1) Bearing, Gasket and Seal Rebuild Kit(1) Transfer Case Chain(1) Oil Pump Assembly - This rebuild kit fits New Venture and New Process 273D transfer cases. Regular price $42 95 $42. Here I am going to show you how to rebuild a NP271/NP273 transfer case. Sep 2, 2016 · Any one swapped from the electric shift NV273 to manual shift NV271? Source for a NV271? My searches say they both have the same spline count. My question lies in the electronics on the 273. 7l hemi '07+ 6. $109. OD WT297-62 Jan 16, 2016 · -2006 White Mega Cab 3500 DRW to SRW 5. np273 nv273. Picture 1 of 2. Product Details. Our industry leading NP273 transfer case remanufacturing process utilizes upgraded parts to help increase smoothness of function and reliability. np271 nv271. np273 np273d. . I will link the transmission swap thread here whenever i get around to writing it up. This is a list of what you'll need: - A Ford NP273 - 29 spline Dodge input shaft - clocking ring - 40 tooth reluctor wheel - VSS Nov 29, 2022 · Buy GM NP271, NP273 Borg Warner Hy-Vo Transfer Case Chain & Sprocket Set 1. Normally the flow of power goes from the transmission to the rear wheels through the driveshaft. Decrease Quantity: Feb 23, 2014 · NP273 Transfer case Swap Jump to Latest 3K views 1 reply 2 participants last post by dmaxguy2008 Mar 3, 2015 Nov 20, 2019 · This NEW transfer case reseal kit for various Dodge only applications equipped with either NP273 or NP271. In order to do that, I purchased the appropriate input shaft (and ended up buying a new chain). Our case half comes complete with the planetary gear ring and snap ring installed. We make it easy to verify your exact transfer case by providing specs and year, make, and Features/FAQs. 300 barrel OD DANA SPICER 3-3-17529X Slip Yoke 1410 Series np271 nv271 np273 nv273 transfer case input shaft 34 spline fits '03+ ford super duty & excursion mated to 5r110w or s6-650 original equipment (44631) NEW VENTURE GEAR $178. TSK273D KIT INCLUDES New Process. . The NP271 has 2. I put a dodge 29 spline in the ford 273. ADAPTER GASKET. Q&A: NP273 Transfer Case Rebuild Kit | 273D Transfer Case | Diagram. Related Items: NP208 Transfer Case Seal and Gasket Kit, TSK-208 Extension Housing Bushing 2. 7l diesel ; ram 2500 & 3500 '06+ 5. Brand: AMP. I am not going to go into as much detail as I did in my transmission rebuild thread, as this transfer case was cake to rebuild. Driveshaft and Driveline Parts > SLIP YOKES - For 4X4 Transfer Case > FORD NP271 NP273 with 34 SPLINE rear output 2. May 6, 2024 · See more Dodge Np271 & Np273 Transfer Case Extension Ho Share | Add to Watchlist. 3 f250 theres a two prong plug that needs to tap in behind the dash to activate the lights for 4x4 high and 4x4 low I can figure all the linkage **** out myself its just this wiring im New Process NP271, NP273 Transfer Case Extension Housing Bushing (45379) Dodge | Approx Size: 2. what makes them diffrent other then the electric vs manuel? i thought they where the same guts and case. - Buy Direct and Save! np271 np273. 7L, 10CYL 8. Search this page . Check the item description to confirm this fits your vehicle. 95 {"de Transfer Case Bearing, Gasket and Seal Kit. Add to Cart. DODGE RAM 2500 & 3500. Mar 31, 2017 · HI all. Keep your transfer case protected and well lubricated with our pump and filter kit. This gasket and seal kit is for the Ford NP271 and NP273 only. -2010 Ford F-250 4×4 w/ 180hp P-pump Cummins 12 valve, 5r110 auto, the usual stuff with an SXE 363. USA Standard Transfer Case NP271 & NP273 Front Case Half Chrysler ZTNP46903-46905 875 in stock GM / FORD / DODGE TRANSFER CASE PLANETARY (6 pinion design) Part #NP17869 (12547997) Fits: NP246 NP261 NP261XHD NP263 NP263XHD NP271 NP273 AMP DISTRIBUTING Orders placed with Next Day Shipping must be placed by 12pm CST to ship same day. (Sold as Pictured). Mar 20, 2012 · 12 RAM 3500 Mega Laramie Mineral Gray, 4x4 SRW Thuren, TGC, Daystar, Backwoods deluxe pre-runner , Smittybilt x20 12k ,Cobra 29LX 102" whip & Breedlove mount, BakFlip/Rak/Box, Amp Research, Bully Rings, Retro Solutions, Front & Rear cam, Quick grill kit, , Tint, KC Hilites Daylighter 233 & 634, pwr gate lock, husky liner, Gauges, ARP, S&B CAI, tube & wrap , IronCross, PSC, 4" Pipe, Mini-Maxx w Feb 15, 2009 · NP271 vs NP241 Transfer cases? Jump to Latest 5K views 1 reply 2 participants last post by dkfarmer22 Feb 16, 2009 New Process NP271, NP273 Transfer Case Gasket And Seal Kit | Compatible With Dodge Ram 4WD 1500, 2500, 3500 Pickup Trucks Dodge FORD NP271 NP273 3/4 1 ton 4wd transfer case chain sprocket. The NP273 can have issues with case failure caused from lack of lubricant reaching the range hub and range fork. Upgrade your transmission system with the NP271 NP273 Input Shaft and experience the difference in performance and durability. 3 F250 my van is a 01 7. Be sure to jump on this deal while supplies last. This transfer Oct 28, 2021 · Tools I use: Milwaukee 3/8" M12 Impact (bare tool) - https://amzn. 3 E350 XLT did some google search ford. 77 $218. 5″ wide chain, designed specifically for durability with emphasis for high strength and long-term durabiliity. Dec 26, 2011 · Hey maybe you guys can help me. To ensure out of the box performance, we meticulously inspect and test each transfer case so that we exceed industry standards and reduce the chance of a warranty. - Rigid Axle is proud to offer our customers a full line of differential, transfer case, and transmission parts. With the NP271 if you are moving you can only engage 4x4 with the front hubs locked and at that point no synchro is needed since both driveshafts are already turning The NP271/NP273 Transfer Case Seal and Gasket Kit is a comprehensive solution designed to meet the needs of automotive enthusiasts and professionals alike. 60. 30 x 1. If you're engaged in a Dodge NP271 transfer case input shaft change, we have the NP271 input shaft to serve your purposes. fnschlaud4620. nv271 nv271d. Trust in this genuine Dodge part to keep your vehicle running smoothly for miles to come. e. 95 $ 109. 99 np271 np273 nv271 nv273 transfer case input shaft 29-spline for '03-'10 nv4500, nv5600 or g56 equipped ram 2500 3500 4500 5500 replaces 5086311aa Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Replacing old style non drilled main shaft,range hub and fork with updated parts. Core Deposit: $600. 25" Part #: U421770D-25443 $59. 50" WIDE O. Apr 2, 2021 · I'm in the process of doing a ZF6-NP271 swap on my 2002 Excustion. New Process Transfer Case Fork Insert (19. np271. It fits all models of the Dodge 271 and Dodge 273 transfer cases. NP271, NP273 aluminum cases, chain driven 2003-up Dodge Light Trucks 100, 150, 200, 250, 300, 350, 1500, 2500, 3500 Series NP271 NP273 Transfer Case Input Shaft (29 Spline) (Dodge) 5086311AA Fits 2003-2007 Dodge Ram 2500 / 3500 3/4 and 1 ton pickup trucks Related Items Dodge Ram NP271 NP273 Transfer Case Rebuild Bearing Kit, BK485A New Process NP271, NP273 Transfer Case Tail Housing (Cast #25443)8 Bolt Holes, Height: 6. The 271 is manual and the 273 Is electronic pushbutton. Oct 22, 2023 · Received 1,265 Likes on 814 Posts. USA Standard Transfer Case NP271 & NP273 Bolt-style Yoke Mainshaft | ZTNP45078 | RANDYS Worldwide. 9L, 8CYL 5. Mar 2, 2011 · Update to the earlier post. The NP271 is a heavy duty version has a 6 pinion planet and utilizes a 1. 44 x 2. fits np271 & np273 equipped dodge: ram 2500 & ram 3500 '03-'07 v10 8. Th np271 np271d. Like the title says whats the difference between the NP271 transfer case and the NV271 transfer case collecting parts for a future 4x4 conversion. Fits NP271 or NP273 Transfer Cases. Thanks a ton! Aug 21, 2017 · The BorgWarner 1356 transfer case can be found in many different Ford 4x4s offered from 1980 through 1996. This kit comes with the (3) main roller bearings, (4) caged needles, planet washers, fork inserts, seals, o-rings and an adaptor gasket. # 3. NP271 & NP273 Transfer Case Bearing Kit BK485 This Ford NP 271 273 transfer case bearing replacement parts kit, quality manufactured by Transolutions, is designed for use in Ford F250, F350 and F450 pickup trucks. 010 Inch. Were can I get the input shaft to go from a 24 spline ( np263 ) to a 31 spline ( np273 ). please see our store. manual shift arm. 50r18 Falken Wildpeak AT3W w/ 18x9 Method 305 HDs-York 210 with a ship horn & Mega Blast RS5T both w/ 0. Apparently, the tcase will bolt up, so ive been trying to find some info on these cases Its a way heavier duty tcase than my 241, so I want to make it work. 30mm Long) (4167969) | NP136, NP233, NP236, NP245, NP246, NP271, NP273 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) This is a transfer case rebuild kit for the Dodge New Process 271 and New Process 273 transfer cases. com FREE DELIVERY possible on eligible purchases Nov 3, 2018 · 2006 Mega 2500 Laramie, 5" FTE Stainless w/30" resonator, 285/75/18 Toyo MT's, XD795 Hoss Machined, Levelled, Firestone Air Bags, Smarty Jr. fits np271 nv271 np273 nv273 equipped dodge ram 2500, 3500, 4500, & 5500 ' 03+ : ' 03+ 5. This kit includes high-quality seals and gaskets specifically engineered for the NP271 and NP273 Dec 6, 2023 · NP271 / NP273 Transfer Case Gasket & Seal Kit. 7l diesel '03-'06 8. 246 Transfer Case Diagram. fits np271 & np273 equipped ford with either 4r100 4-speed automatic or s5-47m 5-speed manual transmission: Dodge NP273 - New Process Transfer Case Rebuild Package Description Package Includes: (1) Bearing, Gasket and Seal Rebuild Kit(1) Transfer Case Chain - This rebuild kit fits New Venture and New Process 273D transfer cases. Builds a good base to shift the previously electric shift motor only NP273 to manual shift. this will not work on '03 and later units. Dodge Ford 4wd 3/4 1 ton OEM New Process NP271 NP273 transfer case Performance NP273 Transfer Case. This unit was utilized beginning in 1999. They both take the same kit. They are the same internally the difference is the electronic actuator vs. s. The 271 input shaft is 55mm and there is only 1 bearing that would fit the 241 case and the 271 input shaft (a part #61911NR) but the bearing its rated lighter than the stock NP241 bearing, which eliminates this as a good option. Quality transmission upgrade available. 9 Dodge Ram trucks came equipped with a few different transfer case models depending on the year and options, including the New Venture NV271 transfer case & NV273 transfer case (also known as a New Process NP271 & NP273 transfer case). Fits: 2003 6CYL 5. Check Details. The 90mm OD is going to be too much material to remove from the 241 case, so that will not work. 18 posts · Joined 2007. 9/ G56 271 Tcase swap 4x4 2nd gen swapped w/ Yukon Free Spins and 37/12. POD, BMS 50hp Injectors, Willys Whistler w/Amsoil 6” Dry Filter, Isspro Rail/Boost/Pyro, Goerend built 48RE, BD Diesel Iron Horn Kit, T4 manifold with Borg Warner SXE363/76 turbo, Mopar heavy duty steering box upgrade np271 np273 nv271 nv273 transfer case input shaft 29-spline for '03-'10 nv4500, nv5600 or g56 equipped ram 2500 3500 4500 5500 replaces 5086311aa TPD PRO-LINE $109. Gear Up Your Summer Savings! Use Code SUMMER-5 For 5% Off Your Order. This NP271 input shaft replacement part, made by respected aftermarket parts manufacturer Transolutions, is a direct replacement for the 23-spline Dodge input shaft on your NP271 or NP273 transfer case. This rebuild kit is for the Dodge Super Duty with a Manual Shift or an Electric Shift transfer case. I hope it works, I will find out soon. 10-22-2023, 05:21 PM. The NP273 is electrical shift. Feb 17, 2018 · USA Standard Transfer Case NP271 & NP273 Input Shaft Chrysler : Item Weight 4. np273f '99-'04 transfer case: input shaft. Check Details This is a transfer case gasket and seal kit for the Ford NP271 and NP273 transfer case from 2000-On This kit includes all the seals and adapter gasket. The following users liked this post: Rot Box 2. The NP273 was manufactured with left side drop output and has a low gear ratio of 2. Professional Quality Gasket & Seal Kit. NP271 & NP273 T-CASE REAR EXTENSION HOUSING CHRYSLER . states & puerto rico! we ship world wide Mar 21, 2015 · Np271 Np273 Transfer Case 29 Spline Input Shaft Fits Dodge Ram Application NP271D16 . at the input shaft, no idea on the 4407. They made four variations of the NP271/NP273 input shaft so it is very important that you select the proper one before ordering. Jul 13, 2022 · Rebuilding a 2003-2009 NP271 transfer case on a customer's 2008 Ram 3500! Jan 2, 2021 · 1999 to 2016 Super Duty - NP271 273 Transfer Case Rebuild - I needed to rebuild my transmission, so I rebuilt my transfer case while it was out. Ford used the NP273 in the Excursion, Ford F250, F350, F450 and F550 pickups. np273. 300 barrel OD FORD NP271 NP273 with 34 SPLINE rear output 2. Does anyone have the ratings on a 4407 transfercase? I know the NP271 is rated at over 5k ft. for the updated range slider, see our 421645a; aftermarket, imported; photo shows actual range slider; free shipping to all 50 u. I would have had it done in one day if I had a Enhance NP271/NP273 performance with 29-Spline Input Shaft. 0l, 5. Reply Like. 88 $125. Please check your transfer case tag and verify your model number is 273 D. 88 $99. The t-case will have a round tag on the back case 1/2 that has model # of either 271 or 273 (could be NV271F, NV271D, NP271F, NP271D, NV273D, etc). 1 pounds : Package Dimensions 6 x 6 x 6 inches : Item model number ZTNP44926 : Dodge Transfer Case Front Half Description Package Includes: (1) Dodge NP271 & NP273 Front Case Half - This front case half is cast with aluminum and machined for a perfect fit. 99. Jump to Latest 3K views 6 Apr 26, 2023 · Dodge NP273 Transfer Case The NP273 is a chain driven model cast in aluminum and acts as an improvement to the 271. 72 to 1. 50/17E BFG's, Flashpaq, K&N, B&W goose, dual shocks at each corner up front, steering box brace, and a bigass dent in the tailgate because my wife just had to back the trailer - Before ordering, please verify the spline count on your input shaft. It adds an electrical shift feature and has enhanced parts to provide better durability for larger applications. Jul 17, 2023 · NP273 - Transfer Cases | Transmissions. nv273 nv273d '03+ transfer case: front housing. #2 · Oct 5, 2009. The ford uses a 31 or 34 spline input shaft, and my tcase uses the 29 spline input shaft. This high-quality chain, also known as HV064, is designed to meet and exceed the performance standards required for NP271 and NP273 transfer cases. 0L If you need anything else for your NP271/273D Transfer Case Rebuild; Bearing Kit, Pump, Chain, Etc. $653. Dodge NP273 Transfer Case Rebuild Kit w/ Front Half Bearings Gaskets Seals Oct 27, 2023 · Np271 np273 transfer case snap ring for front output bearing fits '99 Np271 np273 differences? 4x4 awd np241 4wd transfercase venture transmission truck offroading fastnlow 4×4 vs awd – w User Guide and Engine Fix Full List Oct 26, 2014 · I got a np271 out of a 04 ford f350 xl, and wanted to swap it on. 9l diesel, 6. The shift on the fly is made possible by a synchronized front engagement in the NP273 that the NP271 simply doesn't have. Both Dodge and Ford NP271 transfer cases have driveside drops. Apr 7, 2009 · 06 Mega 4WD,Transgo, 393Kmiles, 2" level,4. these are chain driven electric shift transfer case Np273F. Feb 17, 2019 · My intent with this thread is to gather, document, and photograph information about rebuilding a Ford NP273 transfer case and adapting it to an Allison transmission. also called front case half . The bearing diameters are not the same and I made a sleeve that pressed onto the dodge 271 input and had the correct OD for the larger ford input shaft bearings. Ford uses 24 spline with manual transmissions and 31 and 34 spline units. Feb 23, 1998 · The NV271 and NV273 family of transfer cases were designed and developed by New Venture Gear (NVG) for the new 1999 Ford light duty trucks with requirements to withstand severe duty off-road use. Can I purchase a 3 button dash switch and the transfer case control module and May 24, 2019 · Excursion - King of SUVs - How to change your NP273 Transfer Case Input Shaft - As part of my build, I needed to change out the input shaft of my transfer case to match the G56 transmission. 3L Power Stroke Diesel - NP271 NP273 differences? - NP271 NP273 differences. The NP273 was used in Dodge Ram Diesel 2500, 3500, 4500 and 5500. to/2ZuUDBeMilwaukee 3/8" Ratchet - Aug 22, 2014 · Transfercase express builds a NP271 and NP273 that will bolt right up. 5" ID air line @ 145psi w/ dual 5 gallon tanks and the first 3rd gen with Chevy mirrors New Process - Transfer Case IdentificationShop by your transfer case. lbs. NP271 NP273 differences? - Ford Truck Enthusiasts Forums. and a friend of a friend is selling one that's he say he took out from a -99 7. Feb 19, 2016 · Dogde NP271 & NP273 Transfer Case Extension Housing Bushing Part Number 45379 Fits 2003 Dodge 2500 3500 Series Truck with the NP271 Manual Shift Transfer Cases NP273 Electric Shift Transfer Cases Product information That's why we include a new oil pump filter screen with every NP271/NP273 kit that is sold with a new pump. 9l diesel '03+ 5. - Our rebuild kits i Find many great new & used options and get the best deals for Ford+Np271+Np273+Transfer+Case+Input+Shaft+31+Splines+24257 at the best online prices at eBay! Free shipping for many products! Buy Dodge Ram 2500 Pickup NP271 NP273 Transfer Case Rebuild Bearing Kit, BK485A. The truck has an electronic np263 and I have an electronic np273 case from an 2001 F350, reindexing ring and yokes. NP271 & NP273 T-CASE REAR MAINSHAFT SNAP RING . Oct 5, 2009 · F. 95. 00 The NP271 has 2. 0% Total voters 1; JB Conversions LoMax NP205 vs NP273 for towing rig . E. New Process NP241DHD NP271 NP273 Transfer Case Range Fork (Non Updated) (Cast # 17524) (17543) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Feb 20, 2022 · The NP 273 that most excursions came with is pretty much the same case in electronic shift, with one key difference being the ESOF ( electronic shift on the fly). to/3EtyxytMilwaukee 3/8" m12 Impact (kit) - https://amzn. Links to the parts I used: Crafted with precision and superior quality, the NP271 NP273 Transfer Case Chain is the ultimate solution for your vehicle's needs. np271f. 7l diesel; ram 4500 & 5500 '08+ professional quality bk485a rebuild kit includes: o. New Process Gear has a wide range of 4x4 transfer cases! We carry parts for everything from the older NP205, to the highly popular NP261/NP263 HD and XHD. These units have different input spline counts: Dodges have 23 and 29 spline inputs. Jul 9, 2023 · Awesome machined kit from Wild Horse Manufacturing. There is a manual-shift version and an electric-shift version. 0l; np273 transfer case identifiers: aluminum case, chain driven, electric shift The NP271 covers a large span of years 1999 through 2008 with the Dodge applications starting in 2003 Grand Ford starting in 1999. Quantity. for np271 & np273: this is the non-updated type range slider. The NP271 NP273 Input Shaft with 29 Splines meets these criteria, ensuring a seamless fit and reliable operation. New Process 271D transfer case parts are designed for use in the MOPAR version of this transfer case, used in Dodge Ram pickups starting in 2003. I have a straight axle Duramax and want to do the np273 swap. But you can swap in input shafts in them if your handy. In a 2500 or 3500 hd truck, they were equipped with a np263 I believe with non auto trac. bn oa iy tu td kh ww kq cu am