Used 6T70 / 6T75 for Sale — VIN-Verified.
VIN-verified used and remanufactured transmissions for Houston drivers — tested, warrantied, and ready to ship from Pasadena. 0% restocking, ever.
Used & remanufactured 6T70 / 6T75 — VIN-verified, tested, and shipped nationwide from our Pasadena, TX facility. Fits Malibu, Impala, Traverse, Equinox, Acadia, Enclave, Cadillac SRX.
The 6T70 and heavier-duty 6T75 are GM's transverse 6-speed automatics for midsize and crossover FWD/AWD applications. Wave plate and valve body wear are the common failure points, so every unit is pressure- and shift-tested and VIN-matched. Expect an adaptive TCM relearn after install to reset shift pressures. Ultra Auto Parts TX is Houston's drivetrain specialist for quality used and remanufactured transmissions, based at 5041 Spencer Hwy Ste 101 in Pasadena, TX 77505. Transmissions are one of our four core specialties (alongside engines, transfer cases, and differentials), so every unit we sell is pressure-tested, shift-verified, and matched to your exact vehicle before it ships — not pulled blind from a salvage row. We stock automatic transmissions, CVTs, and select manual gearboxes for domestic and import cars, trucks, SUVs, and heavy-duty diesels. Serving Pasadena, Houston, Deer Park, Baytown, and the greater Gulf Coast, our bilingual (English/Spanish) team confirms fitment by VIN and transmission tag number, quotes honest ranges, and backs the sale with a real warranty — so you buy with confidence and avoid a second wasted install.
Known issues we check on the 6T70 / 6T75
The 6T70/6T75 commonly fails at the wave plate (a hard bang or no-move in reverse) and the valve body with worn bores and solenoids causing harsh or missing shifts. We pressure- and shift-test every unit, inspect the wave plate and valve body, and VIN-match it, since the heavier 6T75 and the FWD vs AWD versions differ. Expect an adaptive TCM relearn after install to reset shift pressures in your GM midsize or crossover.
Used vs. remanufactured 6T70 / 6T75 — which to buy
A tested used 6T70 is a value when the wave plate and valve body check out, and ours are inspected for exactly those failures. Remanufactured makes sense on a high-mileage crossover where you want the wave plate and valve body refreshed with a longer warranty. We carry both and VIN-match 6T70 vs 6T75 and FWD vs AWD. Send your VIN and we tell you honestly which fits your Malibu, Traverse, or Acadia.
Why buy a quality used transmissions?
A tested used or remanufactured transmission is often the smartest money in the whole repair. A local overhaul depends entirely on one shop’s own bench and can hide the same worn hard parts, while a new OEM unit can cost thousands more. Our used units come from low-mileage donors and are bench/pressure tested; reman units are built to OEM spec with a longer warranty. You get proven hardware, VIN-matched fitment, and a warranty in writing.
Common signs you need a replacement
Signs your transmission is failing: slipping between gears or high RPM without acceleration, hard or delayed shifts, dropping into limp mode, torque converter shudder around 40–50 mph, no reverse or no forward engagement, burnt-smelling fluid, and codes like P0700, P0730, or P0740. Once these appear, replacement is usually more reliable than a patch.
| Feature | Ultra Auto Parts TX | Typical salvage yard |
|---|---|---|
| Restocking fee | 0% — ever | ~20% |
| Warranty | 6 mo – 3 yr | 6 mo flat |
| Fitment | VIN-verified to your vehicle | Not verified |
| Drivetrain testing | Specialized per component | General salvage |
| Service | Bilingual · 10-min response | Varies |
Quick Quote Fastest lead
Send Name + Phone + Part + ZIP. VIN recommended for exact fitment.
Fitment Flags We Check
- Bellhousing bolt pattern must match your engine family (LS 5.3 vs 5.7, etc.)
- 2WD vs 4WD/AWD — tailshaft/output housing and length differ
- Valve body, tune, or calibration must match the year/trim
- Final drive / gear ratio must match axle for correct speed and shift
- VIN + transmission tag/ID number must be cross-checked, not just year/make/model
- Post-install PCM/TCM programming or adaptive relearn often required
Heavy-duty diesel transmissions — Allison 1000, Ford 5R110/6R140, and Dodge 68RFE/48RE — are available for Duramax, Powerstroke, and Cummins trucks that tow and haul.
What to send for an exact quote
- VIN (best — confirms exact fitment)
- Year / make / model / trim
- Transmission code or tag/ID number
- 2WD, 4WD, or AWD
- Engine size (displacement)
Every transmission carries a 6-month standard warranty, extendable up to 3 years on qualifying used and remanufactured units. And like all our parts, transmissions ship with 0% restocking fee on any return — ever.
Local Houston-area delivery is free with our own drivers; regional deliveries are a flat paid rate and out-of-state ships at exact carrier cost — send your ZIP and we'll confirm.
How It Works
FAQ — Used Transmissions in Houston, TX
Where can I buy a used 6T70 or 6T75 transmission near me in Houston?
Ultra Auto Parts TX carries tested, VIN-matched 6T70 and 6T75 transaxles at 5041 Spencer Hwy Ste 101 in Pasadena, near Houston. We provide free local Houston delivery and nationwide shipping, open Monday through Friday 8 to 5 Central, English and Spanish. Call or text 281-436-9991 with your VIN.
How much does a used 6T70 transmission cost?
Pricing depends on 6T70 vs 6T75, FWD vs AWD, and used vs remanufactured. We do not quote from memory — send your VIN to 281-436-9991 for the correct tested unit. Every order carries a 0% restocking fee, so there is no risk if plans change.
How do you verify a 6T70 fits my Malibu or Traverse?
We VIN-match 6T70 vs 6T75 and FWD vs AWD, since those differ in capacity and fitment. We inspect the wave plate and valve body and shift-test before shipping. A TCM relearn after install is expected. Send your VIN to 281-436-9991 to confirm fitment.
Ultra Auto Parts TX is a used and remanufactured drivetrain-parts dealer in Pasadena, TX (Houston metro). 5041 Spencer Hwy Ste 101, Pasadena TX 77505 · (281) 436-9991 · Mon–Fri 8am–5pm CT · Bilingual · 0% restocking · 6mo–3yr warranty.
Looking for a used transmission in Houston, TX? Ultra Auto Parts TX in Pasadena stocks tested, VIN-verified used and remanufactured automatic transmissions, CVTs, and diesel units for cars, trucks, and SUVs — GM 6L80E, Ford 10R80, Chrysler 68RFE, Allison 1000, JATCO CVT and more. Every transmission is pressure- and shift-tested, matched to your vehicle by VIN and tag number, and backed by a 6-month-to-3-year warranty with 0% restocking fee. Serving Pasadena, Houston, Deer Park, and Baytown with free local delivery.