1999-2008 Chevy Silverado GMC Sierra Cadillac Escalade Hummer H2 Serpentine Belt Tensioner 90K38159

This automatic serpentine belt tensioner is designed for select Cadillac, Chevrolet, GMC, and Hummer applications from 1999–2008. It is manufactured to match the supplied OEM specifications and mounting dimensions, helping maintain proper belt tension and alignment for the engine accessory drive system.

Product Features

• Vehicle-specific replacement: Compatible with the Cadillac, Chevrolet, GMC, and Hummer applications listed below.
• OEM-matching design: Designed to match the supplied OEM specifications and mounting dimensions.
• Automatic tension compensation: Helps maintain stable serpentine belt tension and reduce maintenance frequency.
• Stable belt operation: Helps maintain proper belt tension and alignment to reduce belt slipping and premature wear.
• Durable construction: Made with materials designed to withstand extreme temperatures and resist wear.
• Engine accessory support: Helps support the proper operation of engine accessories driven by the serpentine belt.

OE / Reference Numbers

90K-38159, 90K38159, 38159, 12562065, 12565372, 12580196, K040378HD, 4PK962, 0K2AA15908, 0K30C15909D, 10026136, 11720D4001, 11920F6501

Important Notes

• Please verify the vehicle make, model, model year, and OE/reference numbers before ordering.
• Compare the original tensioner assembly and mounting dimensions with the product information before installation.
• Professional installation is recommended if you are unfamiliar with serpentine belt system repairs.
• If there is a problem with the product, please contact customer service to request assistance with a replacement order.

Warranty

AUCERAMIC 1-Year Warranty

AUCERAMIC provides a 1-year warranty for this product. If you experience any product or installation-related issues, please contact our customer service team for assistance.

⏱ Estimated Delivery Time

Delivery times vary by location:

• USA: 3-7 business days
  
• Canada & Europe: 7-18 business days
  
• Australia & New Zealand: 10-20 business days
  
• Other regions: 15-45 business days
  

Delivery times may vary due to carrier delays, customs clearance, or local delivery conditions.

🚚 Shipping Information

Processing Time:

Orders are usually processed within 1-2 business days after payment confirmation.

Shipping Method:

• USA orders: For eligible US orders, products are fulfilled from our US warehouse network and shipped via USPS, UPS, or FedEx.
  
• International orders: Shipped via reliable international carriers
  

Tracking:

A tracking number will be emailed after shipment. You can track your order through carriers such as USPS, UPS, FedEx, DHL, or 17TRACK.

📦 Order Issues

If your package arrives damaged, incorrect, missing items, or significantly delayed:

Please contact us with:

• Order number
  
• Photos/videos of the package and product
  
• Description of the issue
  

Our team will review and provide a solution as quickly as possible.

🔄 Returns & Warranty

We accept returns within 30 days after delivery.

To be eligible for a return:

• Item must be unused, uninstalled, and in original condition
  
• Must include original packaging and all accessories
  

⚠️ Installed, used, or tested parts are not eligible for return unless there is a confirmed manufacturing defect.

For return requests, please contact us first with your order number, product details, and photos (if applicable).

📧 info@auceramic.com

Warranty Coverage:

✔ Manufacturing defects

✔ Shipping damage

Not covered:

✘ Improper installation

✘ Misuse or modification

✘ Incorrect vehicle application

💬 Fitment Support

Not sure if this part fits your vehicle?

Send us your year, make, model, engine size, and VIN (if available). Our team will help confirm compatibility before purchase.

📧 info@auceramic.com