GM LS Truck / SUV Billet Aluminum Manual Belt Tensioner with Pulley for 4.8L / 5.3L / 6.0L / 6.2L Vortec Engines (Gen III / Gen IV / Hummer H2 / H3 / Replaces 12554027 / 12580162 / 12609719)
Premium 6061-T6 billet aluminum manual belt tensioner with pulley for GM LS truck and SUV applications. CNC machined for fine craftsmanship and perfect fit, with an anodized black finish that creates a strong barrier against humidity and corrosion for superior product longevity.
Features:
- High-strength 6061 aluminum – manufactured from 6061-T6 billet aluminum with high quality, CNC machined to guarantee fine craftsmanship for a perfect fit
- Rustproof anodized surface – anodized black finish creates a strong barrier against humidity and corrosion for superior product longevity
- Easy to adjust – comes with 1/2" drive hole, allowing you to adjust the belt tension properly for smooth and efficient operation of your belt
- Keeps the belt tight at all times – manual belt tensioner prevents the belt from throwing out during deceleration
Specifications:
- Condition: 100% Brand New
- Type: Manual Belt Tensioner with Pulley
- Material: 6061-T6 Billet Aluminum
- Construction: CNC Machined
- Surface Finish: Anodized Black
- Adjustment: 1/2" Drive Hole
OE / Replacement Part Numbers:
- 12554027
- 12580162
- 12609719
Fitment:
- Truck / SUV 4.8L / 5.3L / 6.0L Engines (1999 – 2013)
- Gen III / Gen IV LS SUV / Truck water pumps and crank pulley
- Hummer H2 Off-Road (08/2002 – Up)
- Hummer H3 Off-Road (04/2005 – Up)
Contents:
- 1 Set Belt Tensioner with Pulley
- Mounting Hardware
Warranty:
- 12-month standard warranty from date of purchase
- Contact our support team for assistance with any issues
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
GM LS Truck / SUV Billet Aluminum Manual Belt Tensioner with Pulley for 4.8L / 5.3L / 6.0L / 6.2L Vortec Engines (Gen III / Gen IV / Hummer H2 / H3 / Replaces 12554027 / 12580162 / 12609719)
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


