ACDelco Gold 38158 Drive Belt Tensioner Assembly - Listing Product Highlights ⭐ ACDELCO GOLD – PREMIUM AFTERMARKET QUALITY
- ACDelco Gold 38158 Drive Belt Tensioner Assembly – Trusted OEM-quality replacement part
- Complete Assembly with Pulley – Includes pulley for hassle-free installation – no need to purchase separately
- Aluminum Construction – Lightweight, durable aluminum body with black pulley for long-lasting performance
- Designed for Serpentine Belt Systems – Maintains proper drive belt tension for optimal engine performance
- Premium Aftermarket Replacement – Manufactured to meet or exceed specifications for fit, form, and function
- Compatible with GM and Most Makes/Models – Versatile fit for a wide range of vehicles
- Limited Lifetime Warranty – Parts-only warranty backed by ACDelco's reputation for reliability
- 800+ Sold in Past Month – Trusted by thousands of customers
Vehicle Compatibility Make Model Year Range Engine Note Chevrolet Silverado, Suburban, Tahoe 1999-2006 4.8L, 5.3L, 6.0L Verify OE compatibility GMC Sierra, Yukon, Yukon XL 1999-2006 4.8L, 5.3L, 6.0L Verify OE compatibility Chevrolet Avalanche 2002-2006 5.3L, 6.0L Verify OE compatibility Cadillac Escalade 2002-2006 5.3L, 6.0L Verify OE compatibility Chevrolet Express, GMC Savana 2003-2006 4.8L, 5.3L, 6.0L Verify OE compatibility ⚠️ Important: This belt tensioner fits a wide range of GM vehicles and many non-GM applications. Please verify your vehicle's compatibility before purchase. Check with your vehicle's manufacturer specifications or consult a professional mechanic. Specifications BrandACDelco SeriesGold Manufacturer Part Number38158 TypeDrive Belt Tensioner Assembly MaterialAluminum (with Black Pulley) Belt StyleSerpentine Belt Compatible DevicesVehicles (GM and Most Makes/Models) Item Weight16 ounces (1 lb) FeaturesIncludes Pulley, Premium Aftermarket Replacement WarrantyLimited Lifetime Warranty (Parts Only) ConditionNew Product Description
The ACDelco Gold 38158 Drive Belt Tensioner Assembly is a premium aftermarket replacement part designed to keep your vehicle's serpentine belt at the proper tension for optimal engine performance. As part of the ACDelco Gold line, this tensioner delivers OEM-quality reliability at an accessible price point.
This complete assembly includes the pulley, eliminating the need to purchase separate components. The aluminum construction with black pulley provides lightweight durability and corrosion resistance, ensuring long-lasting performance even in harsh engine bay conditions.
✅ Why Choose the ACDelco Gold 38158:
• Complete Assembly – Includes pulley – no extra parts to buy
• Premium Quality – Manufactured to meet or exceed OEM specifications
• Durable Construction – Aluminum body for strength and corrosion resistance
• Proper Belt Tension – Maintains optimal tension for serpentine belt systems
• Wide Compatibility – Fits GM vehicles and most makes/models
• Limited Lifetime Warranty – Parts-only warranty for peace of mind
• Trusted Brand – ACDelco Gold is the preferred choice for professional technicians Why Belt Tension Matters:
The drive belt tensioner plays a critical role in your vehicle's engine performance. It maintains the proper tension on the serpentine belt, which powers essential components including the alternator, power steering pump, air conditioning compressor, and water pump. A worn or failing tensioner can cause belt slippage, noise, reduced performance, and even engine overheating. Replacing a failing tensioner with the ACDelco Gold 38158 ensures reliable operation and prevents costly breakdowns.
Premium Aftermarket Quality:
ACDelco Gold parts are premium aftermarket components that meet or exceed original equipment specifications. They offer the perfect balance of OEM quality and value, making them the preferred choice for professional technicians and serious DIY enthusiasts. Each Gold tensioner is manufactured to strict quality standards and backed by ACDelco's reputation for reliability.
Perfect For:
This belt tensioner is ideal for vehicle owners experiencing belt noise, belt slippage, or visible tensioner wear. It's also recommended as a preventative maintenance item when replacing the serpentine belt. Whether you're a professional mechanic or a DIY enthusiast, the ACDelco Gold 38158 delivers the quality and reliability you expect.
OE Number Reference
Replaces the following OEM part numbers:
38158 | 12567669 | 12591767 | 12602412 | 12612585
These numbers are for cross-reference purposes only. ACDelco is a trusted GM original equipment manufacturer. Please verify compatibility with your vehicle before purchase.
Installation Notes
- Professional installation recommended for belt tensioner replacement
- Always disconnect the negative battery cable before beginning work
- Allow engine to cool completely before working on belt drive system
- Use proper tools: A serpentine belt tool or breaker bar may be needed to release belt tension
- Note belt routing: Take a photo or diagram of belt routing before removal
- Inspect the belt: Replace serpentine belt if cracked, glazed, or worn
- Torque to specifications: Use manufacturer's torque specifications for mounting bolts
- Test after installation: Start engine and verify no belt noise or misalignment
- Consider replacing idler pulleys: For complete drive belt system maintenance
⚠️ Important Safety Information:
• Always use caution when working with belt tension – the system is under spring pressure
• Wear safety glasses and gloves during installation
• Do not attempt to remove the tensioner without proper tools
• If you are not experienced with automotive repairs, seek professional installation Why Buy From Us 🚚 Fast ShippingSame-day dispatch on orders before 2 PM EST 🔄 30-Day ReturnsNot satisfied? Return within 30 days, no questions asked ✅ Genuine ACDelco100% authentic ACDelco Gold – no counterfeits 💬 24/7 SupportFriendly customer service ready to help
⚠️ ACDelco and General Motors are registered trademarks. This listing is for the ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley. Limited Lifetime Warranty applies (parts only). Please verify compatibility with your vehicle before purchase. Professional installation recommended.
On Apr 1, 2026 at 20:25:17 PDT, seller added the following information:
