2018 GMC Sierra 1500 Automatic Transmission
RemanufacturedProduct Upgrades
Features & Benefits
- Each transmission undergoes rigorous dyno testing to verify precise hydraulic pressures, smooth shifting, torque converter function, and park lock operation-guaranteeing reliable, trouble-free driving.
- Every transmission is fully disassembled, cleaned, and rebuilt using 100 percent upgraded heavy-duty seals, friction components, solenoids, and torque converter parts to ensure maximum durability and performance.
- New OE Harness & Sensors - Accurate signals for better response and reliability
- New OE Torque Converter - Smooth power transfer for like-new performance
- Redesigned Valve Body Accumulator - Engineered to eliminate wear, resulting in more consistent shifting, reduced maintenance needs, and longer transmission life.
Remanufactured Transmission Overview
Best Price Guarantee
Vehicle Specifications
| Part Number :t-r-n_80899-1 |
| Part Type :Transmission |
| Make :GMC |
| Model :Sierra 1500 |
| Year :2018 |
| Options :(AT), 4x2, 6.2L, 8 speed (opt M5U) |
| Application Notes: TAG ID 8UGL 8URL 8UFLRPO Option M5U |
General Information
| Part Number: | t-r-n_80899-1 |
| Condition: | Remanufactured |
| Part Type: | Transmission |
| Make: | GMC |
| Model: | Sierra 1500 |
| Year: | 2018 |
| Options: | (AT), 4x2, 6.2L, 8 speed (opt M5U) |
| Billet Torque Converter: | No |
| Dyno Tested: | Yes |
| Flash Programming Required On or Off Vehicle: | Yes |
| Grade Type: | Premium |
| Lock Up: | Yes |
| Prop 65 Y/N: | Y |
| Radiator Replacement Required: | No |
| Transmission Manufacturer Code: | 8L90,8UGL,8URL,8UFL |
| Transmission Speeds: | 8 |
| Transmission Type: | Automatic |
| Valve Body Recalibrated: | No |
What's Included
| Bell Housing Included: | Yes |
| Torque Converter Included: | Yes |
Not Included
| Conversion Harness Adapter Included: | No |
| Flex Plate Included: | No |
| Heat Exchanger Included: | No |
| Output Shaft Yoke Included: | No |
| Radiator Included: | No |
| Return Cooler Bypass Filter Included: | No |
| Tail Housing Included: | No |
| Thermal Bypass Valve Included: | No |
| Throttle Cable Included: | No |
| Transfer Case Assembly Included: | No |
| Transmission External Cooler Included: | No |
| Transmission Oil Cooler Included: | No |
Remanufactured Transmission Warranty
*36 Months/100,000 Miles: Passenger cars, police cars and light trucks up to 1 ton, except motors homes* and special use vehicles* listed below.
24 Months/24,000 Miles: Trucks over 1 ton and motor homes* and special use vehicles* listed below.
12 Months/12,000 Miles: All taxi cabs, Ford Mustang Cobra, GT, Ford F-150 Lightning and Harley Davidson pickups. All vehicles equipped with OEM supercharger.
3 Months: Stationary, agricultural and industrial.
18 Months: Marine applications.
Class B and C Motor Homes: These being built on Ford, Dodge, or General Motors “cutaway chassis” or van chassis will be warranted under the remanufacturer’s limited warranty. Coverage excludes labor for removal and replacement of accessories not specific to the original manufacturer’s chassis.
½ ton through ¾ ton for standard 36 Month/100,000 miles.
1 ton for standard 24 Month/24,000 miles.
Class A Motor Homes: These being “purpose built” chassis or truck chassis in excess of 11,000 lb. GVW will carry a 6 Month/12,000 miles parts only warranty.
Flat-Rate Shipping
Car Part Planet offers fast flat-rate shipping to commercial addresses in the continental United States. This does not include home-based businesses, only registered business addresses that are commercially zoned. The shipping location should be capable of receiving our products without prior notification and with the capacity for unloading with a forklift from the delivery truck. Please note that residential addresses or locations that require a liftgate for unloading will need to pay a $99 liftgate fee to the carrier.
Typically, you can expect to receive orders from us within 2-4 days if the product is in stock, excluding holidays and weekends unless otherwise stated. Please note that in certain remote locations in Colorado, Utah, New York, Oregon, and California, the delivery may take longer and may require additional fees.
Even though our order volumes are always increasing, we always strive to ship our products as quickly as possible. Please understand that all shipping times are estimates and are not guaranteed times for delivery.
Please note that all remanufactured transmissions are DYNO-tested prior to shipping. In some cases, damage can occur during the shipping process. It is important to carefully inspect your products when they arrive and promptly report any damaged or missing components to our friendly and helpful customer service specialists.
If shipping damage occurs, we will collaborate with you to find an efficient solution and deliver an excellent experience. Please be sure to inspect your products carefully before signing the delivery paperwork. Failure to do so will place the responsibility on the receiver.
Core Return Policy
Car Part Planet assumes all shipping costs involved with returning your core (old part) to us. That means that there is absolutely no cost to you. However, it is your responsibility to initiate the core return. We will make it simple for you!
Once you have your new part installed, just give us a quick call at (888) 412-2772 , or stop by our Core Return Page and arrange to have your old part picked up.
We care about our customers and keep our prices as low as possible. That's why we must receive your old part back. We don't require an upfront core charge, which allows you to schedule your core to be picked up within 30 days from the date your new part is delivered.
If the core is not returned within 30 days of delivery, your warranty will be voided. Additionally, if you do return the core after the 30-day grace period, there will be a $50 processing fee.
2018 GMC Sierra 1500 Automatic Transmission
- Price:
- $4,909.00
- SKU:
- t-r-n_80899-2
- Options:
- (AT), 4x2, 6.2L, 8 speed (opt M5U)
- Condition:
- Remanufactured
- Engine Size:
- 6.2 liter / 378.3 cubic inches
- Drive Type:
- 4x2 / RWD
- Transmission Type:
- Automatic
- Warranty:
- 3 Year Unlimited Miles - Included*
- Torque Converter:
- Included with purchase
- Build Time:
- Call for Shipping Time