OEM Engine Wire Harness for 2021-2025 Cadillac, Chevrolet, & GMC
Only 1 left in stock
$
89
.95
30-DayReturns
6-monthWarranty
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Condition: Excellent (A) — like new, minimal to no wear
Professionally inspected and tested.
Product Notes Read before buying
This is a used engine wire harness.
This is the main power cable that connects the battery to the starter. It is specifically for models equipped with the 3.0L L6 Diesel engine. It will not fit vehicles with 5.3L or 6.2L V8 gas engines.
This is the main power cable that connects the battery to the starter. It is specifically for models equipped with the 3.0L L6 Diesel engine. It will not fit vehicles with 5.3L or 6.2L V8 gas engines.
Why Buy Used OEM Parts?
Checked & Tested
We check and test every used part before we sell it. It may show some wear, but it works and is ready to install.
Original Equipment
This is the same part your vehicle came with from the factory. It fits and works just like the original — because it is one.
Works Like New
A few marks on the outside don't change what's inside. The part works the way it should.
Big Savings
Pay 50–80% less than buying new. Same factory part, much lower price.
Not sure? Ask Wrenchy — Your Parts Assistant.
Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
Vehicle Fitment Guide
This part fits the following vehicles:
Cadillac
2 models(tapclick to hide)
Escalade
2021-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premium Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premium Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premium Luxury Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premium Luxury Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Sport | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
Escalade ESV
2021-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premium Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premium Luxury | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premium Luxury Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premium Luxury Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Sport | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Sport Platinum | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
Chevrolet
2 models(tapclick to hide)
Suburban
2021-2025
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| High Country | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| High Country | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| LT | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| LT | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premier | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premier | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| RST | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| RST | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Z71 | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
Tahoe
2021-2025
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| High Country | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| High Country | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| LT | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LT | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premier | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premier | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| RST | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| RST | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Z71 | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| High Country | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| High Country | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LS | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| LT | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| LT | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Premier | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Premier | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| RST | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| RST | SUV | 2021 - 2022 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
GMC
2 models(tapclick to hide)
Yukon
2021-2025
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Denali | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Denali | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| SLE | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| SLE | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| SLT | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| SLT | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Denali Ultimate | SUV | 2023 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Denali Ultimate | SUV | 2023 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| AT4 | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| AT4 Ultimate | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Elevation | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Elevation | SUV | 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
Yukon XL
2021-2025
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Denali | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Denali | SUV | 2021 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| SLE | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| SLE | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| SLT | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| SLT | SUV | 2021 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Denali Ultimate | SUV | 2023 - 2024 | L6 3.0L DIESEL Turbo | RWD | Automatic |
| Denali Ultimate | SUV | 2023 - 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| AT4 | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| AT4 Ultimate | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Elevation | SUV | 2025 | L6 3.0L DIESEL Turbo | 4WD | Automatic |
| Elevation | SUV | 2025 | L6 3.0L DIESEL Turbo | RWD | Automatic |
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.
Policies, in plain English.
Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
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.
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
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.
Expert Guides
2021-2025 GM SUV 3.0L Diesel Starter Cable: Diagnosing No-Start Issues
This guide covers the engine-specific starter power cable for the 2021-2025 Chevrolet Tahoe, Suburban, GMC Yukon, Yukon XL, and 2021-2024 Cadillac Escalade & ESV with the 3.0L Duramax diesel engine.
Read Full Guide →Related Trouble Codes (OBD-II)
48 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.
P0102
MAF Sensor Circuit Low Causes and Fixes
2023-2024 Gmc YUKON
P0201
Injector Circuit Malfunction Causes & Fixes
2021-2022 Chevrolet TAHOE
P0201
Injector Circuit Malfunction Causes and Fixes
2021-2022 Chevrolet SUBURBAN
P0201
Injector Circuit Malfunction Causes & Fixes
2021-2022 Gmc YUKON XL
P0201
Injector Circuit Malfunction Causes & Fixes
2021-2022 Cadillac ESCALADE ESV
P0201
Injector Circuit Malfunction Causes and Fixes
2021-2022 Chevrolet Tahoe
P0202
Injector Circuit Malfunction Causes & Fixes
2021-2021 Cadillac ESCALADE NA
P0202
Injector Circuit Malfunction Causes and Fixes
2021-2024 Gmc YUKON XL
P0202
Injector Circuit Malfunction Causes & Fixes
2021-2024 Chevrolet SUBURBAN
P0202
Injector Circuit Malfunction Causes & Fixes
2021-2024 Chevrolet TAHOE
P0202
Injector Circuit Causes and Fixes
2021-2024 Cadillac ESCALADE ESV
P0202
Injector Circuit Causes and Fixes
2021-2024 Chevrolet Tahoe
↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Miscellaneous Information
OEM Part Numbers:
Chevrolet: 13508902
GM: 85150976, 85645720
Fits Years: 2021 2022 2023 2024 2025
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Warranty
Backed For The Long Haul
This part ships with a 6-month warranty. If it doesn't fit or stops working, we replace or refund — no hassle.
What buyers are saying.
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4.9
1,451 verified reviews
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