Used 4L80E Transmission for Sale | OEM Used GM Heavy-Duty 4-Speed Automatic with Overdrive (TH400 Successor)
Rated 5.00 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, all 4 forward gears and reverse function tested
- Availability: In stock, 2WD and 4WD configurations available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- All 4 forward gears and reverse function tested
- Lockup torque converter operation verified
- Configuration confirmed (2WD vs 4WD)
- Bellhousing pattern confirmed (gas vs diesel bolt pattern)
- Output shaft spline count documented
- Donor application documented (Silverado HD, Hummer H1, Express, etc.)
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against internal defects
Detroit DT-12 Transmission for Sale | OEM Used 12-Speed Automated Manual Transmission (AMT) for Class 8 Trucks
Rated 4.00 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, all 12 forward gears and 4 reverse gears function tested
- Availability: In stock, on-highway DT12-OA variant
- Shipping: Free shipping to all 50 states via crated freight, 7 to 14 business days
- All 12 forward gears and 4 reverse gears function tested
- Clutch engagement inspected
- Variant confirmed (DT12-OA, DT12-V, or DT12-VX)
- Detroit Connect compatibility (Virtual Technician) verified
- Donor application documented (Cascadia, Western Star 47X / 49X)
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against internal defects
Allison AT545 Transmission for Sale | OEM Used 4-Speed Hydraulic Automatic for Medium-Duty Applications
Rated 5.00 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, hydraulic function tested before shipping
- Availability: In stock, multiple donor sources available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- All 4 forward gears and reverse verified
- Torque converter operation inspected
- Donor application documented (school bus, shuttle, motorhome, etc.)
- Bellhousing pattern confirmed for compatibility
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against internal defects
Toyota R154 Transmission for Sale | OEM Used Aisin 5-Speed Manual (1JZ / 2JZ / 7M-GTE Compatible)
Rated 4.33 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, JDM donor sourced
- Availability: In stock, JDM donor sourced
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- 6-bolt pattern verified for 1JZ / 2JZ / 7M-GTE compatibility
- Triple-cone synchro operation inspected
- Case inspected for cracks (around bellhousing and tail)
- Shift mechanism inspected for bushing wear
- Output shaft and tail inspected
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against internal defects
NP435 Transmission for Sale | OEM Used New Process 435 4-Speed Manual Heavy-Duty Crawler Gearbox
Rated 4.00 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, internal gear set visually inspected before shipping
- Availability: In stock, multiple year ranges and bellhousing patterns available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Bellhousing pattern confirmed before shipping (Ford, Dodge, GM, IH)
- Input shaft length and spline count verified (10 spline, 1-1/16 inch)
- Output shaft spline count verified (31 spline, 1-3/8 inch)
- Gear set visual inspection (synchros, bearings, tooth wear)
- Case inspected for cracks (critical for heavy-duty use)
- Top cover and shifter function tested
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against manufacturing defects
At a Glance
- Condition: OEM used, all 4 forward gears and reverse tested
- Availability: In stock, M22 Rock Crusher transmissions available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Case casting verified (authentic M22 Rock Crusher, NOT M20 or M21)
- Date code documented where visible
- Donor vehicle context noted where known
- 30-degree gear cut angle confirmed (the Rock Crusher identifier)
- Input shaft spline count verified (10 spline, 1 inch)
- Output shaft spline count verified (27 spline standard, 1.375 inch)
- Shift forks inspected
- 1-2 and 3-4 synchros assessed
- Case integrity inspected (no cracks at typical stress points)
- Backed by a 15 day replacement warranty against internal defects
At a Glance
- Condition: OEM used, all 5 forward gears and reverse tested
- Availability: In stock, NV1500 transmissions available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Donor truck confirmed (S-10 / Sonoma / Colorado / Canyon / Isuzu Hombre)
- Engine pairing documented (2.2L L4 / 4.3L Vortec V6 / 2.8L L4 / 3.5L L5 / 3.7L L5)
- Overdrive 5th gear (0.73:1) engagement verified
- Synchro condition assessed
- Input shaft verified (10 spline, 1-1/8 inch diameter)
- Output shaft verified (27 spline)
- Bellhousing pattern confirmed (GM compact / mid-size truck specific)
- Fluid condition verified
- Backed by a 15 day replacement warranty against internal defects
At a Glance
- Condition: OEM used, all 5 forward gears tested
- Availability: In stock, Jeep AX15 transmissions available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Donor Jeep confirmed (Wrangler YJ / Wrangler TJ / Cherokee XJ / Comanche MJ)
- Engine pairing documented (4.0L I6 / 2.5L I4 / 4.2L I6)
- Synchronized reverse engagement verified (distinguishing AX15 feature)
- Overdrive 5th gear (0.79:1) engagement confirmed
- Synchro condition assessed (brass synchro wear verified)
- Input shaft verified (10 spline, 1.125 inch diameter)
- Output shaft verified (23 spline, 1.375 inch diameter)
- Bellhousing pattern confirmed (Jeep AMC / Chrysler specific)
- Aluminum case inspected for cracks
- Backed by a 15 day replacement warranty against internal defects
At a Glance
- Condition: OEM used, all 4 forward gears and reverse tested
- Availability: In stock, GM 4L60E transmissions available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Donor vehicle confirmed (Silverado / Sierra / Tahoe / Suburban / Yukon / Escalade / Camaro / Firebird / Corvette / Roadmaster)
- Engine pairing documented (4.3 V6 / 4.8 / 5.3 / 6.0 Vortec / 5.7 SBC / LS family)
- Model year and generation identified
- Lock-up torque converter function verified
- Electronic shift solenoid function tested
- Pan inspected for metal contamination
- Output yoke spline verified (27 spline, 0.810 inch diameter)
- No core charge required
- Backed by a 15 day replacement warranty against internal defects
Product Overview
- Transmission Type: 5-speed fully synchronized manual
- Condition: OEM used, gear tested and inspected
- Availability: Multiple year ranges and bell-housing variants in stock
- Shipping: Free crated freight to all 50 states, 5 to 10 business days
- Gear tested through all 5 forward gears and reverse before shipping
- Bell-housing pattern confirmed before shipping (7M, 1JZ, 2JZ compatible)
- Synchronizer operation verified
- Input shaft length and spline count documented
- 100% fitment verified before every order ships
- Zero core charge required, your existing transmission stays with you
- Backed by a 15 day replacement warranty against internal defects
Mustang T5 Transmission for Sale | OEM World Class 5-Speed (1983 to 1995)
Rated 4.50 out of 5
2 reviews
In Stock
Product Overview
- Transmission Type: 5-speed manual with overdrive
- Production Years: 1983 to 1995 (V8 Mustang applications)
- Manufacturer: Ford Motor Company / Borg Warner / Tremec
- Condition: OEM used, gear tested and inspected
- Availability: Multiple year ranges from 1983 to 1995 in stock
- Shipping: Free freight to all 50 states, 5 to 10 business days
- Gear tested through all 5 forward gears and reverse before shipping
- V8 versus 4-cylinder variant confirmed, critical safety distinction on every order
- World Class versus Non-World Class confirmed
- Torque rating disclosed before shipping
- Zero core charge required, your existing transmission stays with you
- Backed by a 15 day replacement warranty against internal defects
Toyota W56 Transmission for Sale | OEM Used 5-Speed Manual Pickup and 4Runner (1985 to 1995) | 2WD and 4WD Variants | Marlin Generation Identified
Rated 4.50 out of 5
2 reviews
In Stock
At a Glance
- Condition: OEM used, all 5 forward gears and reverse function tested
- Availability: In stock, 2WD and 4WD variants. Call to confirm current availability
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Gear tested through all 5 forward gears and reverse before shipping
- 2WD vs 4WD configuration confirmed before every order ships (most common W56 sourcing error prevented)
- Marlin W56-A through W56-E generation identified where determinable
- 5th gear specifically tested for stay-in-gear under simulated load
- Fluid inspection for metal contamination
- External shift linkage inspected
- Input and output seal condition documented
- 100% inspection before every order ships
- No core charge required
- Backed by a 15 day replacement warranty against internal defects
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About Us
At Part Nests, we specialize in high-quality used and OEM auto parts, with a wide selection of components ready to ship to customers.
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Office Address :
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