OEM Fuel Pump Assembly for 2019-2021 Chevrolet & GMC • Sierra 1500, Silverado 1500
Product Notes
This fuel pump is for models with a 3.0L DIESEL engine only. For 2019 models, this fits the 'new style' body (mirrors mount on the door skin), not the 'Classic' style. For 2022, this fits the 'LTD' and 'Limited' continuation models as well as the new body style.
Why Buy Used OEM Parts?
- ✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested. While it may show some cosmetic wear, it's fully functional and ready to install.
- ✓ Original Equipment: This is a genuine OEM part — the exact part that came with your vehicle from the factory. Perfect fitment and performance.
- ✓ Works Like New: Despite visual wear, internal components and functionality are intact. Same reliability you'd expect from OEM quality.
- ✓ Significant Savings: Save 50–80% vs. new. Factory quality at a fraction of the cost — the smart choice for budget-conscious owners.
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Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| High Country | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| LT | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| LT | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| LTZ | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| LTZ | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| RST | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| RST | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| AT4 | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| AT4 | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Denali | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| Elevation | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| Elevation | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| SLE | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| SLE | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| SLT | Crew Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
| SLT | Extended Cab Pickup | 2020 - 2021 | L6 3.0L DIESEL Turbo | RWD/4WD | Automatic |
Policies
Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
Returns (30 Days)
We accept returns within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: We cover return shipping as part of our 100% money-back guarantee
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
6-Month Warranty
All used parts include a 6-month warranty from the date of purchase.
- If your part fails within 6 months, we will send a replacement
- Refunds are only issued if we cannot provide a suitable replacement
- Warranty covers defects — not installation errors, misuse, or damage after installation
Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.
Damaged in Shipping?
If your part arrives damaged:
- Stop immediately — do not install the part
- Keep all original packaging and boxes
- Take clear photos of the damage and packaging
- Contact us within 48 hours of delivery
We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.
Order Cancellation
Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.
2019-2024 GM Truck & SUV High-Pressure Fuel Pump: Noises, Stalling, and Replacement Costs
Diagnose a failing high-pressure fuel pump on your Silverado, Sierra, Escalade, or Camaro and learn the difference between normal ticking sounds and true failure symptoms.
Read Full Guide →⚠️ Related Trouble Codes (OBD-II)
25 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
Miscellaneous Information
OEM Part Numbers:
GM: 812751138, 85510279, 85623234, 85855254
Fits Years: 2019 2020 2021
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