- Silverado 1500 (4.3L/5.3L/6.2L) 2014 - 2018
- Tahoe & Suburban (5.3L/6.2L) 2015 - 2020
- Express 2500/3500 (4.3L) 2018 - 2022
New Starter Motor for Chevy Silverado GMC Sierra Cadillac 4.3L 5.3L 6.2L Replacement
OEM# 12645040 | Lester 10910
Vehicle Compatibility Guide
- Sierra 1500 (4.3L/5.3L/6.2L) 2014 - 2018
- Yukon / XL (5.3L/6.2L) 2015 - 2020
- Escalade / ESV (6.2L) 2015 - 2020
⚠ IMPORTANT: PLEASE CROSS-REFERENCE YOUR EXISTING PART NUMBER TO ENSURE 100% FITMENT.
Technical Specifications
100% New
12V
1.4 KW
10 Teeth
CW (Clockwise)
PMGR
Interchange / Cross Reference
GM: 12645040, 12694626, 12695760
Mitsubishi: M0T24072, M0T24072ZC
Lester: 10910
Bosch: 0-986-UR1-818
J & N: 410-48340
NAPA: 244-8622
The Durautos Advantage
- EcoTec3 Optimized: Specifically tuned for the high-frequency starting demands of GM's direct-injection V6 and V8 engines.
- Direct Fitment: Cross-referenced with OEM data for a seamless "Plug-and-Play" installation with factory mounting points.
- Durability Tested: Validated through 50,000+ start cycles to ensure survival in extreme North American climates.
- Wholesale Value: Get premium OEM-quality engineering without the inflated dealership markup.
Frequently Asked Questions
Is there a core charge for this GM starter?
No. All Durautos starters are 100% Brand New units. Unlike remanufactured parts from local retailers, there is no core charge and no need to return your old unit, saving you shipping costs and downtime.
How can I confirm this fits my Silverado or Sierra?
The best way is to cross-reference your OE Part Number (e.g., 12645040) from your original unit. You can also message us with your 17-digit VIN for a guaranteed fitment check by our expert technicians.
Does this unit include the starter solenoid?
Yes, it comes as a complete assembly that includes the brand-new high-torque motor and the solenoid pre-installed. It is ready for a direct bolt-on installation out of the box.
Why is a 10-tooth gear profile important?
This unit features the exact 10-tooth precision gear profile required for GM's newer 4.3L, 5.3L, and 6.2L EcoTec3 engines. It ensures perfect engagement with the flywheel and prevents grinding or premature wear.
What is the Durautos warranty policy?
This starter is backed by a 1-Year Full Replacement Warranty. If the product fails due to a manufacturing defect within 12 months, we will provide a brand-new unit at no additional cost to you.