GM GENUINE PARTS Starter Motor 12736813 – New OE‑Validated Replacement for Chevrolet, GMC, Buick, Cadillac

The GM Genuine Parts 12736813 Starter is a newly manufactured, OE‑validated starter motor built to crank your GM vehicle’s engine reliably and match factory specifications.

This starter is engineered and tested by General Motors to meet the same design and performance standards as the original equipment installed at the factory. It combines a robust electric motor with a starter drive pinion that engages the engine flywheel to initiate engine rotation. As a GM Genuine Part, 12736813 is validated by GM engineers for fit, function, and durability for compatible Chevrolet, Buick, GMC, and Cadillac vehicles, and may have previously been listed under ACDelco GM Original Equipment (OE).

How does this starter match my vehicle’s original equipment?

The 12736813 starter is newly manufactured to the same specifications used by GM during vehicle production and undergoes validation by GM engineers. That ensures the physical fit, electrical characteristics, and mechanical engagement mirror the original unit for correct installation and operation.

• Exact replacement dimensions and mounting points for compatible GM models
• Electrical and mechanical specifications designed to OEM tolerances
• Engineered and validated by GM for consistent fit and function

What components and performance features does this starter offer?

This starter combines a high-torque electric motor with a precision starter drive pinion that meshes with the engine flywheel to crank the engine. It’s manufactured to GM’s standards and tested to verify reliable engagement, torque output, and service life under expected operating conditions.

• Powerful motor paired with starter drive pinion for dependable cranking
• Newly manufactured unit—no remanufactured components
• Tested to GM’s performance and durability benchmarks

Why choose GM Genuine Parts instead of an aftermarket or reman unit?

Choosing a GM Genuine Part means selecting a unit validated or produced to the same engineering specifications as the factory original. This reduces the risk of fitment issues, electrical mismatch, or premature failure and simplifies parts sourcing and warranty coverage for GM vehicles.

• OE design and validation by GM engineers for proper integration
• Consistent quality control and manufacturing traceability
• Often replaces or succeeds ACDelco GM Original Equipment listings

How should I install or replace this starter safely?

Installation should follow the vehicle manufacturer’s service procedures, including battery disconnection and confirming torque specs for mounting hardware. If you’re not experienced with electrical or drivetrain work, professional installation is recommended to ensure correct alignment and secure electrical connections.

• Disconnect battery negative terminal before removal
• Verify mounting bolts and electrical terminals are tightened to spec
• Check ring gear and flywheel for wear before installation

Who is this for: The GM Genuine Parts 12736813 Starter is intended for owners, mechanics, and repair shops working on compatible Chevrolet, Buick, GMC, or Cadillac models that require a direct, newly manufactured replacement for the original starter. It’s especially suitable for anyone prioritizing factory‑matched fit and validated performance over generic or remanufactured alternatives. Choose this part when you want a replacement backed by GM engineering and testing processes to restore reliable engine cranking and maintain original equipment standards.

Features:

• Newly manufactured as an exact replacement for your GM vehicle's original starter
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies