TRANSMISSION AND TRANSFER CASE
TRANSMISSION & TRANSFER CASE — 1989–1993 DODGE RAM 5.9L CUMMINS (12-VALVE)
Keep your First-Gen shifting clean and putting power down. CPP Diesel stocks proven parts for automatic 727/518 (A618) and Getrag G360 manual setups, plus NP241 transfer cases, flexplates, deep pans, coolers, rebuild and service items tailored to 1989–1993 D250/D350 & W250/W350.
Shop by Subcategory
- AUTOMATIC TRANSMISSION (727/518) — tow/Street transmissions, converters, pans, valve bodies & rebuild parts.
- MANUAL TRANSMISSIONS — GETRAG G360 — complete units and hard parts.
- MANUAL TRANS PARTS — bearings, synchros, forks, seals & hardware.
- CLUTCH KITS — SOUTH BEND — single & dual disc options for G360.
- CLUTCH KITS — VALAIR — street/tow & performance clutches.
- TRANSFER CASE — NP241 — reman cases & components for 4×4 W-series.
- FLEXPLATES & BOLTS — OEM & performance plates and ARP hardware.
- DEEP PANS & SERVICE — more fluid & easier maintenance.
- COOLERS & LINES — universal stacked-plate kits with fans.
Featured for 1st Gen
- ATS Heavy-Duty Torque Converter (Non-Lockup 518/727) — towing-friendly stall & durability.
- BD ProForce Converter (’88–’93 727/518) — efficient, furnace-brazed fins.
- ATS A618 Towing Valve Body (’90–’93) — progressive line-rise for firm, safe shifts.
- ATS Deep Aluminum Pan — extra capacity, drain plug, sensor port.
- G360 3rd Gear (30-Tooth) — OE-style manual trans hard part.
- South Bend SDD3250-5G Dual Disc (Getrag) — street/tow holding power.
- Zumbrota NP241D Reman Transfer Case — 23-spline case for ’88–’93 W-series.
Why Buy from CPP Diesel
- First-Gen Focus: Parts and tech help specific to 1989–1993 drivetrains.
- Trusted Brands: ATS, BD Diesel, South Bend, Valair, Zumbrota, ARP, PPE & more.
- Expert Support: Converter stall selection, clutch capacity, cooler sizing, and G360 rebuild guidance.
- Fast Shipping: Popular converters, valve bodies, pans, clutches and cases ship quickly from U.S. warehouses.
Explore the full 1989–1993 Cummins catalog for complementary upgrades.
Helpful Notes
- Auto IDs: Early trucks use 727; late ’91.5–’93 use A518 (A618). Match parts to your build date.
- Fluid temps: Add an auxiliary cooler and gauge when towing or tuned—heat kills autos.
- Clutch selection: For manuals, size clutch to torque, use proper break-in, and inspect linkage/hydraulics.
- Transfer case: Most W-series run NP241D; verify input spline count and speedo setup before ordering.
Frequently Asked Questions
What converter works best for towing with a non-lockup 727/518?
Pick a heavy-duty converter with a modest stall and furnace-brazed fins, such as the BD ProForce or ATS Heavy-Duty.
How do I firm up shifts on an A518 (A618)?
A performance valve body like the ATS Towing VB or BD 1030410 improves line-rise and clutch apply.
What are common Getrag G360 wear items?
Synchronizers, bearings, forks and select gears (e.g., 3rd gear). Use quality rebuild kits and correct fluid.
Which transfer case fits my W250/W350?
Many 4×4 First-Gens use an NP241D. Verify input spline count and speedometer setup.
Do I need a deep pan and cooler?
They help keep ATF cool and extend service intervals. See the ATS Deep Pan and ATS Fan-Cooler Kit, then add a trans temp gauge.
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CPP G360-70 GETRAG SHIFTER STUB KIT FOR 89-93 DODGE G360 TRANSMISSION
CPP DIESEL
$142.38The G360-70 Dodge Getrag Shifter Stub Kit is the ideal solution for 1990-1993 Dodge Ram 2500 and 3500 Series trucks with Cummins Diesel engines that are equipped with the G360 5-speed transmission. Specifically designed for the threaded type shifter...$142.38 -
CPP G360-18 GETRAG 5TH GEAR 21 TOOTH FOR 89-93 DODGE G360 TRANSMISSION
CPP DIESEL
$171.42The G360-18 5th Gear (21 T) for G360 transmissions is specifically designed for the 1990-1993 Dodge Ram 2500 and 3500 3/4 and 1-ton trucks equipped with the Cummins diesel engine. This high-quality gear is a crucial component for ensuring smooth and...$171.42 -
CPP BK261WS GETRAG BEARING KIT WITH SYNCHRO RINGS FOR 89-93 DODGE G360 TRANSMISSION
CPP DIESEL
$414.74The G360, T261R & RK360 5 Speed Bearing Kit with Synchro Rings is the ultimate solution for improving the performance and longevity of your 1990-1993 Dodge Ram 2500/3500 3/4 and 1 Ton Trucks with a Cummins Diesel Engine. This comprehensive kit...$414.74 -
CPP G360-8A GETRAG CLUSTER SHAFT WITH 5TH GEAR FOR 89-93 DODGE G360 TRANSMISSION
CPP DIESEL
$594.41The G360 Cluster Shaft with 5th Gear, G360-8A, is designed specifically for 1990-1993 Dodge Ram 2500 / 3500 3/4 and 1 Ton Trucks equipped with a Cummins Diesel Engine. This high-quality product is engineered to enhance the performance and durability of...$594.41 -
CPP 290-K KEY AND SPRING KIT FOR DODGE G360 & NV5600 TRANSMISSION
CPP DIESEL
$34.55Enhance the performance and durability of your transmission system with the NV5600 & G360 Key and Spring Kit. Specifically designed for Dodge NV5600, GM NV3500, Jeep NV3550, and G360 models, this kit includes essential components to optimize the...$34.55 -
SOUTH BEND SDD3250-5G STREET DUAL DISC GETRAG **30K TOW FOR 88-93 RAM
SOUTH BEND CLUTCH
$1,878.38Experience unmatched power and performance with the South Bend SDD3250-5G Street Dual Disc Getrag Clutch for **30K Tow (88-93 RAM). This top-of-the-line clutch is designed for drivers seeking the ultimate combination of strength, durability, and...$1,878.38 -
SOUTH BEND 13125-FEK SINGLE DISC CLUTCH 550HP FOR 88-04 CUMMINS
SOUTH BEND CLUTCH
$1,643.57The SOUTH BEND 13125-FEK SINGLE DISC CLUTCH 550HP is a high-performance feramic clutch kit designed for powerful engine applications. This clutch kit is specifically engineered to handle up to 550 horsepower and 1100 torque, making it an ideal choice for...$1,643.57 -
SOUTH BEND 13125-OFER SINGLE DISC CLUTCH WITHOUT FLYWHEEL 475HP FOR 89-04 RAM
SOUTH BEND CLUTCH
$1,173.99The SOUTH BEND 13125-OFER SINGLE DISC CLUTCH is a high-performance clutch kit designed for powerful engines in select Dodge Ram models. Specifically engineered for the 1989-2004 Ram trucks, this clutch kit is ideal for drivers demanding increased...$1,173.99 -
SOUTH BEND 13125-OFEK SINGLE DISC CLUTCH 475HP FOR 88-04 RAM
SOUTH BEND CLUTCH
$1,487.04Experience unmatched performance and reliability with the SOUTH BEND 13125-OFEK SINGLE DISC CLUTCH 475HP specially designed for 88-04 RAM trucks. This top-of-the-line clutch kit features an outstanding Organic/Feramic composition that is engineered to...$1,487.04 -
SOUTH BEND 13125-OR-HD SINGLE DISC CLUTCH 425HP FOR 88-04 CUMMINS
SOUTH BEND CLUTCH
$939.19The South Bend 13125-OR-HD Single Disc Clutch is a high-performance product designed for optimum power delivery in vehicles equipped with Cummins engines. This heavy-duty organic repair kit is capable of handling up to 425 horsepower and 900 lb-ft of...$939.19 -
SOUTH BEND 13125-OK-HD HEAVY DUTY CLUTCH KIT 425HP FOR 88-04 RAM
SOUTH BEND CLUTCH
$1,330.52Experience next-level performance and reliability with the SOUTH BEND 13125-OK-HD Heavy Duty Clutch Kit designed for the 88-04 RAM models. This HD Organic Clutch Kit is built to handle up to 425hp and 900 torque, making it a formidable choice for...$1,330.52 -
SOUTH BEND 13125-OR SINGLE DISC CLUTCH 400HP FOR 88-04 RAM
SOUTH BEND CLUTCH
$782.66The SOUTH BEND 13125-OR SINGLE DISC CLUTCH 400HP is a high-performance clutch designed to meet the demands of powerful vehicles. Ideal for 1988-2004 RAM models with a robust 5.9L engine, this clutch kit offers superior performance and durability for...$782.66 -
SOUTH BEND 13125-OK SINGLE DISC CLUTCH 400HP FOR 88-04 CUMMINS
SOUTH BEND CLUTCH
$1,173.99The South Bend 13125-OK Single Disc Clutch is a high-performance organic clutch kit designed specifically for vehicles with 400 horsepower and 800 torque. Ideal for use with 5.9L Cummins engines from 1988 to 2004, this clutch kit is a reliable choice for...$1,173.99 -
CUMMINS 3975464 | GENUINE OEM FLEXPLATE | FITS 1989-2007 DODGE RAM 5.9L CUMMINS
CUMMINS
$783.35CUMMINS 3975464 | GENUINE OEM FLEXPLATE | FITS 1989-2007 DODGE RAM 5.9L CUMMINS The Cummins 3975464 GENUINE OEM FLEXPLATE is a genuine OEM replacement designed for Dodge Ram Cummins trucks. Function & Purpose Engineered to restore factory...$783.35 -
VALAIR STREET DUAL DISC ORGANIC CLUTCH (550HP) 94-03 DODGE RAM DIESEL - NMU70NV45DDSN-ORG
VALAIR
$1,633.13Valair Performance presents the NMU70NV45DDSN-ORG Street Dual Disc Clutch, specially designed for the 1994-2003 Dodge 5.9L Cummins 5-Speed trucks with an impressive power range of up to 550HP and 1100 ft-lbs. Whether you are a street warrior looking for...$1,633.13 -
VALAIR 12.25 HEAVY DUTY CERAMIC CLUTCH (550HP) 94-03 DODGE RAM DIESEL - NMU70119-04
VALAIR
$889.33Valair NMU70119-04 Heavy Duty Upgrade Clutch for 1994-2003 Dodge 5.9L Cummins 5-Speed Transmission brings unrivaled performance to your truck. Specifically designed for 1994-2002 12 & 24 valve Cummins engines with NV4500 transmission, this clutch is...$889.33 -
VALAIR 13" UPGRADE ORGANIC CLUTCH (350HP) - 94-03 DODGE RAM DIESEL - NMU70279-5SCE
VALAIR
$945.10The VALAIR NMU70279-5SCE 13" Upgrade Clutch is engineered specifically for the 1994-2003 Cummins 5-Speed models boasting 350HP and 750 Ft-lbs. Offering a superior alternative to stock OEM replacements, Valair's aftermarket organic clutches are a standout...$945.10 -
VALAIR 13" UPGRADE KEVLAR/CERAMIC CLUTCH (500HP) 94-03 DODGE RAM DIESEL - NMU70279-06-5SCE
VALAIR
$1,409.29The VALAIR NMU70279-06-5SCE 13" UPGRADE CLUTCH is a top-of-the-line clutch kit designed specifically for the 1994-2003 Dodge 5.9L Cummins with a 5-speed transmission. This high-quality product is capable of handling up to 500HP and 1000 FT-LBS of torque,...$1,409.29 -
VALAIR 13" UPGRADE CERAMIC CLUTCH (600HP) 94-03 DODGE RAM DIESEL - NMU70279-04-5SCE
VALAIR
$1,130.25The VALAIR NMU70279-04-5SCE 13" Upgrade Clutch is tailor-made for 1994-2003 Dodge 5.9L Cummins trucks with a 5-speed transmission, delivering exceptional performance with a focus on power and torque. With a robust construction featuring HD...$1,130.25 -
VALAIR 13" UPGRADE BRASS WOVEN ORGANIC CLUTCH (400HP) 94-03 DODGE RAM DIESEL - NMU70279-01-5SCE
VALAIR
$1,021.93Experience an unparalleled level of power and performance with the Valair NMU70279-01-5SCE 13" Upgrade Clutch designed for 1994-2003 Dodge 5.9L Cummins 5-Speed engines, boasting an impressive 400HP and 900 FT-LBS torque capacity. This HD Organic/Organic...$1,021.93 -
VALAIR 6-SPEED FLYWHEEL WITH HEAVY DUTY PILOT BEARING 00-05 DODGE RAM DIESEL - V3434
VALAIR
$393.18The Valair V3434 13" 6 Speed Flywheel NV5600 is the perfect choice for Dodge Cummins 5.9L NV5600 6 speed diesels from 2001 to 2005. Exclusively available at Thoroughbred Diesel, this Valair Flywheel boasts top-notch quality and performance, making it a...$393.18 -
SOUTH BEND SDD3250-6 STREET-TOW DUAL DISC FOR 650HP FOR 99-04 DODGE DIESEL
SOUTH BEND CLUTCH
$1,878.38Experience maximum towing performance with the South Bend SDD3250-6 Multi Friction Dual Disc for 2000.5-2005.5 Dodge vehicles with the 5.9L HO 245hp engine and NV5600 transmission. This high-quality clutch kit is designed to handle up to 650hp and 1300...$1,878.38 -
CPP BK261 GETRAG REBUILD KIT FOR 89-93 DODGE G360 TRANSMISSION
CPP DIESEL
$316.59Enhance the performance and durability of your 1989-1993 Dodge truck's transmission system with the premier Getrag Rebuild Kit G360. Designed specifically for NV4500 (G360) 5-speed manual transmissions paired with the formidable 5.9L 12V Cummins engine,...$316.59