Sample photo · we send photos of your exact unit before it ships1 / 4Used 1991 GMC K3500 transmissionMT, 4 Speed, 4x2, Model
MT, 4 Speed, 4x2, Model VIN R (5th digit)
- VIN code
- R · digit 5
- Drivetrain
- 4X2
- SKU
- TF-T024295
Included in every price
- Donor-vehicle OEM unit
- Inspected & tested
- VIN-matched before it ships
- Photos for your approval
- 3-month warranty
- Free freight to repair shops
One upfront price · no hidden fees · card payments only
Delivery estimate
Usually 5–7 business days by freight, with tracking by text.
- 3-month warrantyFree pickup & replacement if defective
- Tracked freight deliveryFree to repair shops, lower 48
- Photos before it shipsApprove your exact unit
- (904) 481-5300Parts specialists · Mon–Fri 9 AM – 6 PM CT
What happens after you order
Nothing ships until you've seen it.
- 1VIN verificationWe match the transmission code to your VIN before anything is pulled.
- 2Final inspectionPressure tested and checked for leaks, cracks and damage.
- 3Clean & prepPressure washed, drained for freight and strapped to a pallet.
- 4Photo approvalPhotos of your exact unit and its mileage are texted to you.
- 5Ship & trackFreight tracking by text. Arrives around Fri, Nov 20 – Tue, Nov 24.
About this transmission
This used OEM transmission came out of a 1991 GMC K3500 with the MT, 4 Speed, 4x2, Model spec. It matches vehicles whose VIN shows R at digit 5, which is how we confirm the fit before it ships. One unit is in stock with 13,000 donor miles, priced by mileage. We list GMC K3500 transmissions for 5 model years (1991–1997), from $675 to $3,285.
What's included
- Case and internal components
- Torque converter where supplied with the donor
- Drained for freight — refill and flush cooler lines at installation
How we prep it
- Pressure tested and inspected
- Mileage recorded from the donor vehicle
- Strapped to a pallet and photographed
- Matched to your VIN before dispatch
Specifications
- Part
- Used OEM transmission
- Year
- 1991
- Make
- GMC
- Model
- K3500
- Transmission spec
- MT, 4 Speed, 4x2, Model VIN R (5th digit)
- VIN engine code
- R (VIN digit 5)
- Transmission type
- Manual
- Drivetrain
- 4X2
- Availability
- 1 unit in stock, 13,000 miles
- Donor mileage
- 13,000 mi
- Warranty
- 3 months, parts
- Condition
- Used OEM, pulled from a donor vehicle — not a rebuild
- Inspection
- Pressure tested, inspected and VIN-matched
- Photos
- Of your exact unit, before it ships
- Shipping
- Strapped and wrapped on a pallet · free freight to repair shops
- SKU
- TF-T024295
Make sure it fits
Your VIN is on the driver-side dashboard, the door-jamb sticker, and your registration and insurance card.
Engine code (sets the transmission match): character 5 of your VIN should be R for this unit.
GMC K3500 transmissions by year
5 model years listed · $675 – $3,285
Installation checklist
These steps protect your transmission and keep your warranty valid.
- 01Have it installed by a qualified mechanic and keep the receipt.
- 02Fill with new manufacturer-spec fluid and replace the filter and pan gasket.
- 03Flush the transmission cooler and lines.
- 04Make sure the torque converter seats fully before bolting up.
- 05Clear codes and run any required relearn procedure.
Warranty & delivery
3-month warranty
- Internal mechanical defects covered
- Claim within 90 days of delivery
- Free pickup and replacement, or a refund
- Labor, towing and fluids not covered
- Longer coverage available at extra cost
Usually 5–7 business days
- Palletized freight, tracking by text
- Free to repair shops in the lower 48
- Home delivery quoted before it ships
- Inspect before signing for it
Questions about this transmission
Will this transmission fit my 1991 GMC K3500?+
This unit is VIN code R at digit 5. If character 5 of your VIN matches, it's the right transmission. Use the fit check on this page, and a specialist confirms it before shipping.
How is the mileage determined?+
Mileage comes from the donor vehicle's odometer and is printed on your quote and invoice.
Can I see photos of the actual unit?+
Yes. Ask by text or chat and we'll send photos of your exact unit before it ships. Photos on this page are samples.
Is labor covered by the warranty?+
No. The 3-month warranty covers the part against internal mechanical defects. If it fails, we pick it up and ship a replacement at our cost, or refund you.
How long does delivery take?+
Usually 5–7 days by freight. Estimated delivery for an order today: Fri, Nov 20 – Tue, Nov 24. Free to repair shops in the lower 48; home delivery is quoted by text.
Can I return it if I change my mind?+
All sales are final unless something goes wrong with the part, so check fit and ask for photos before you pay.
Still unsure? Text (847) 929-8737 — we reply in minutes.
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