A-Premium Belt Tensioner Assembly with Pulley for GM 5.7L–6.0L Camaro/Firebird/GTO — OE Fit, 70mm Pulley

This tensioner assembly by A-Premium is engineered to match OE fit and function for late-1990s and early-2000s GM performance cars. It’s designed for Chevrolet Camaro (1998–2002) and Pontiac Firebird (1998–2002) with the 5.7L V8, plus Pontiac GTO applications in 2004 (5.7L) and 2005–2006 (6.0L). Built to the original specifications, the unit simplifies replacement and helps the accessory drive operate quietly and reliably.

How does this tensioner restore belt performance?

Replacing a worn tensioner eliminates slack and reduces belt slip, which stabilizes alternator, power steering, and A/C operation. The assembled pulley and bearing are balanced to minimize vibration and noise while keeping the V-ribbed belt aligned.

• Direct OE-style fit for specified Camaro, Firebird, and GTO engines
• Preassembled pulley and spring mechanism for straightforward swap
• 70 mm pulley diameter and 25 mm width to match factory belt geometry
• Sealed bearing with a 17 mm bore for smooth rotation

What vehicles and reference numbers does this part replace?

The assembly covers several GM performance models and corresponds to multiple supplier and OEM reference numbers, simplifying parts lookup. Verify under-hood part codes or existing part numbers to confirm interchangeability before ordering.

• Fits Chevrolet Camaro 1998–2002 V8 5.7L
• Fits Pontiac Firebird 1998–2002 V8 5.7L
• Fits Pontiac GTO 2004 V8 5.7L and 2005–2006 V8 6.0L
• Cross-references: 92111701, 12560344, 12569301, 38195, 89338, 49296

What are the key dimensions and build details I should know?

Understanding the pulley dimensions and bearing size helps ensure compatibility with your vehicle’s belt system. This assembly is specified for V-ribbed belts and built to mirror the original component’s geometry and durability.

• Pulley count: 1 (single pulley assembly)
• Pulley outside diameter: 70 mm
• Bearing bore inside diameter: 17 mm
• Pulley width: 25 mm, compatible with standard V-ribbed belts

What warranty and quality assurances does A-Premium provide?

A-Premium backs this tensioner with a one-year, unlimited-mileage guarantee, reflecting confidence in materials and assembly. The product is produced to align with OE performance so it can be installed without modification for a dependable replacement.

• One-year unlimited-mileage warranty from A-Premium
• Manufactured to match factory fit and functional specifications
• Preassembled to reduce installation time and alignment issues

Who is this for: This belt tensioner assembly is intended for owners, DIY mechanics, and professional shops working on late-1990s to mid-2000s GM V8 performance cars—specifically Chevrolet Camaro and Pontiac Firebird 5.7L models, plus Pontiac GTO 5.7L/6.0L engines. If you need a direct-fit replacement that restores belt tension, reduces noise, and matches OE dimensions, this A-Premium unit provides a cost-effective, warranty-backed option. Always confirm part cross-reference numbers or compare pulley dimensions with the existing component before purchasing.