Menu

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more ›

Best GM GENUINE PARTS Starters

GM Genuine Parts Starters offer OEM-quality replacements for reliable engine starts in GM vehicles. Featuring the 12637617 model for superior durability and fit.

1 product

Select a Product

Click on a product from the list to view its details.

PRIME

ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Last update on . Affiliate links, prices, images, product titles, and highlights from Amazon Product Advertising API.

Pros

Cons

Key Features

User Reviews

Your review will be visible after approval.

Loading reviews...
GM Genuine Parts 12637617 Starter Motor - OE Quality Replacement for GM Vehicles, Reliable Starts

The GM Genuine Parts 12637617 Starter is a newly manufactured OE replacement for GM vehicles, delivering original performance, durability, and precise fit. GM owners needing a dependable, weather-resistant starter with included solenoid should select this for long-term reliability.

  • Ensures quick, reliable engine starts with GM-recommended OE design
  • Provides original durability and service life for your GM vehicle
  • Withstands harsh weather and conditions for consistent performance
  • Exact fit with gauged mounting surfaces for easy installation
  • 100% new components including solenoid for maximum dependability

Precise OE fit, form, and function for GM vehicles. Greased key components for long-term reliability. Computer-tested for pull strength and balance.

International product may vary slightly in fit from local versions. Requires clean electrical connections for optimal performance. Professional installation recommended for best results.

Whether you're tackling a routine maintenance job or addressing a no-start issue, GM Genuine Parts Starters deliver the OEM reliability you expect from genuine GM components. This category features high-quality starters like the 12637617 model, engineered specifically for GM vehicles to ensure seamless integration and long-lasting performance.

Why Choose GM Genuine Parts Starters?

GM Genuine Parts stands out for its commitment to original equipment manufacturer (OEM) standards, meaning every starter matches the exact specifications of what came with your vehicle from the factory. These starters are built with premium materials, including robust armatures, high-torque motors, and corrosion-resistant housings, to withstand harsh conditions like extreme temperatures and heavy use. Unlike generic aftermarket options, GM Genuine Parts provide precise fitment, reducing installation time and minimizing the risk of compatibility issues.

The brand's reputation for quality stems from decades of engineering expertise within the General Motors family. Shoppers choose these starters for their proven track record in everything from daily drivers to high-mileage trucks, ensuring quick, dependable starts every time. If you're maintaining a Chevy, GMC, or Buick, these components restore factory-fresh performance without compromise.

Key Features of GM Genuine Parts Starters

  • Precise Engineering: Direct OEM replacements with exact solenoid and gear configurations for your GM model.
  • High-Torque Design: Powerful motors that deliver consistent cranking speed, even in cold weather.
  • Durable Construction: Sealed bearings and heat-treated components resist wear from vibration and road debris.
  • Easy Installation: Bolt-on fitment with all necessary hardware included, compatible with common GM engines.

Take the featured 12637617 Starter, for instance—it's designed for specific GM applications, offering enhanced pinion engagement and reduced electrical draw to protect your battery. This model excels in demanding scenarios, providing the reliability that keeps you moving.

What to Look for When Shopping for a Starter

When selecting a starter from this category, prioritize compatibility first—verify your vehicle's year, make, model, and engine size against the part specs. Consider power rating (measured in kW) for your engine's demands; larger V8s need more torque than compact fours. Durability matters too—look for units with permanent magnet motors for efficiency and longevity.

Common use cases include fleet vehicles needing bulk reliability, weekend warriors restoring classic GMs, or everyday owners fixing intermittent starting problems. For broader selection, explore our Starters category, or check parent options in Starters & Alternators. If you're comparing brands, see how these stack up against ACDelco Starters or A-Premium Starters.

Installation Tips and Maintenance

Replacing a starter is straightforward with basic tools: disconnect the battery, remove the old unit, and torque the new one to spec. Always inspect the battery cables and solenoid connections during the swap to prevent future failures. Regular maintenance, like cleaning terminals annually, extends life. For full vehicle parts, browse our Replacement Parts section.

These starters integrate perfectly within GM's ecosystem, pairing well with genuine alternators and batteries for optimal electrical health.

Frequently Asked Questions

What makes GM Genuine Parts Starters different from aftermarket brands?

GM Genuine Parts adhere to strict OEM tolerances, ensuring perfect fit and performance matched to your vehicle's original design, unlike many aftermarket parts that may vary in quality and specs.

Is the 12637617 Starter suitable for my GM truck?

Yes, if it matches your model's specs—check compatibility for Chevy Silverado or GMC Sierra applications. It's built for heavy-duty cranking in popular V6 and V8 engines.

What is the typical warranty on GM Genuine Parts Starters?

These come with GM's limited warranty, often covering defects for 24 months or unlimited mileage—confirm details at purchase for your specific unit.

How do GM Genuine Parts compare to ACDelco or DB Electrical?

GM Genuine Parts offer superior OEM authenticity, while ACDelco provides GM-approved alternatives; for budget options, view DBElectrical Starters, but expect premium longevity from Genuine Parts.

Can I install a GM Genuine Parts Starter myself?

Absolutely, with mechanical know-how—it's a 1-2 hour job. Consult your service manual, and consider professional help if you're unsure about electrical safeties.