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Apex AHB371 Engine Cylinder Head Bolt SetOE Quality 60-Day Returns
Part #: AHB371

Apex AHB371 Engine Cylinder Head Bolt Set

⚙️ 131 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Pontiac, Ascender, Avalanche 1500, Camaro, Corvette, CTS, Envoy XL, Envoy XUV, Escalade, Escalade ESV, Escalade EXT, Express 1500, Express 2500, Express 3500, Firebird, GTO, H2, Rainier, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT, Yukon, Yukon XL 1500, and Yukon XL 2500
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Reliable Engine Cylinder Head Bolt Set for GM Vehicles

The Apex AHB371 Engine Cylinder Head Bolt Set is designed for precise fitment and durability in a range of General Motors vehicles. Engineered to meet OEM specifications, this bolt set ensures secure cylinder head installation for models like the Chevrolet Silverado 1500 and Cadillac Escalade.

  • Compatible with Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Pontiac vehicles
  • Fits popular models including Chevrolet Camaro, Corvette, Tahoe, and GMC Sierra 2500 HD
  • Durable construction designed to withstand engine stress and heat
  • Part number AHB371 for easy identification and replacement
  • Engineered to maintain proper torque and sealing of cylinder heads

Durable Cylinder Head Bolts for GM Engine Hardware

The Apex AHB371 cylinder head bolt set is manufactured to provide consistent clamping force critical for engine performance and longevity. These bolts are made from high-strength materials to resist stretching and corrosion under high-temperature conditions common in engine operation. Designed specifically for a wide range of GM vehicles, including the GMC Sierra 1500 HD and Cadillac Escalade ESV, this set supports reliable engine assembly and maintenance.

Compatible GM Models and Applications

This cylinder head bolt set is compatible with multiple GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Pontiac. It fits vehicles such as the Chevrolet Avalanche 1500, Cadillac CTS, GMC Envoy XL, Hummer H2, and Pontiac GTO. The Apex AHB371 is ideal for engine rebuilds or repairs requiring precise hardware replacement.

  • Resolves cylinder head gasket leaks caused by loose or damaged bolts
  • Prevents engine misfires related to improper cylinder head torque
  • Addresses engine overheating issues linked to compromised head sealing
  • Replaces worn or stretched bolts during engine overhaul
  • Ensures proper engine compression and performance stability

Installation Notes and Tips

When installing the Apex AHB371 cylinder head bolt set, follow the vehicle manufacturer’s torque specifications and tightening sequence to ensure proper sealing and avoid engine damage. It is recommended to replace all cylinder head bolts as a set to maintain uniform clamping force. Use a calibrated torque wrench and verify bolt condition before installation.

Quality Assurance and Warranty

Apex manufactures the AHB371 cylinder head bolt set to meet or exceed OEM standards for strength and durability. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure reliable performance in demanding engine environments.

This part fits 131 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004BuickRainier5.3LV8N/A1st Des.
2004CadillacCTS5.7LV8N/A1st Design
2004CadillacEscalade5.3LV8N/A1st Design
2004CadillacEscalade ESV6.0LV8N/A1st Design
2004CadillacEscalade EXT6.0LV8N/A1st Design
2004ChevroletAvalanche 15005.3LV8N/A1st Design
2004ChevroletCorvette5.7LV8N/A1st Design
2004ChevroletExpress 15005.3LV8N/A1st Design
2004ChevroletExpress 25004.8LV8N/A1st Design
2004ChevroletExpress 35004.8LV8N/A1st Design
2004ChevroletSilverado 15004.8LV8N/A1st Design
2004ChevroletSilverado 25006.0LV8N/A1st Design
2004ChevroletSilverado 2500 HD6.0LV8N/A1st Design
2004ChevroletSilverado 35006.0LV8N/A1st Design
2004ChevroletSSR5.3LV8N/A1st Design
2004ChevroletSuburban 15005.3LV8N/A1st Design
2004ChevroletSuburban 25006.0LV8N/A1st Design
2004ChevroletTahoe4.8LV8N/A1st Design
2004ChevroletTrailblazer EXT5.3LV8N/A1st Design
2004GMCEnvoy XL5.3LV8N/A1st Design
2004GMCEnvoy XUV5.3LV8N/A1st Design
2004GMCSavana 15005.3LV8N/A1st Design
2004GMCSavana 25004.8LV8N/A1st Design
2004GMCSavana 35004.8LV8N/A1st Design
2004GMCSierra 15004.8LV8N/A1st Design
2004GMCSierra 25006.0LV8N/A1st Design
2004GMCSierra 2500 HD6.0LV8N/A1st Design
2004GMCSierra 35006.0LV8N/A1st Design
2004GMCYukon4.8LV8N/A1st Design
2004GMCYukon XL 15005.3LV8N/A1st Design
2004GMCYukon XL 25006.0LV8N/A1st Design
2004HummerH26.0LV8N/A1st Design
2004IsuzuAscender5.3LV8N/A1st Design
2004PontiacGTO5.7LV8N/A1st Design
2003CadillacEscalade5.3LV8N/A
2003CadillacEscalade ESV6.0LV8N/A
2003CadillacEscalade EXT6.0LV8N/A
2003ChevroletAvalanche 15005.3LV8N/A
2003ChevroletCorvette5.7LV8N/A
2003ChevroletExpress 15005.3LV8N/A
2003ChevroletExpress 25004.8LV8N/A
2003ChevroletExpress 35004.8LV8N/A
2003ChevroletSilverado 15004.8LV8N/A
2003ChevroletSilverado 1500 HD6.0LV8N/A
2003ChevroletSilverado 25006.0LV8N/A
2003ChevroletSilverado 2500 HD6.0LV8N/A
2003ChevroletSilverado 35006.0LV8N/A
2003ChevroletSSR5.3LV8N/A
2003ChevroletSuburban 15005.3LV8N/A
2003ChevroletSuburban 25006.0LV8N/A
2003ChevroletTahoe4.8LV8N/A
2003ChevroletTrailblazer EXT5.3LV8N/A
2003GMCEnvoy XL5.3LV8N/A
2003GMCSavana 15005.3LV8N/A
2003GMCSavana 25004.8LV8N/A
2003GMCSavana 35004.8LV8N/A
2003GMCSierra 15004.8LV8N/A
2003GMCSierra 1500 HD6.0LV8N/A
2003GMCSierra 25006.0LV8N/A
2003GMCSierra 2500 HD6.0LV8N/A
2003GMCSierra 35006.0LV8N/A
2003GMCYukon4.8LV8N/A
2003GMCYukon XL 15005.3LV8N/A
2003GMCYukon XL 25006.0LV8N/A
2003HummerH26.0LV8N/A
2003IsuzuAscender5.3LV8N/A
2002CadillacEscalade5.3LV8N/A
2002CadillacEscalade EXT6.0LV8N/A
2002ChevroletAvalanche 15005.3LV8N/A
2002ChevroletCamaro5.7LV8N/A
2002ChevroletCorvette5.7LV8N/A
2002ChevroletSilverado 15004.8LV8N/A
2002ChevroletSilverado 1500 HD6.0LV8N/A
2002ChevroletSilverado 25006.0LV8N/A
2002ChevroletSilverado 2500 HD6.0LV8N/A
2002ChevroletSilverado 35006.0LV8N/A
2002ChevroletSuburban 15005.3LV8N/A
2002ChevroletSuburban 25006.0LV8N/A
2002ChevroletTahoe4.8LV8N/A
2002GMCSierra 15004.8LV8N/A
2002GMCSierra 1500 HD6.0LV8N/A
2002GMCSierra 25006.0LV8N/A
2002GMCSierra 2500 HD6.0LV8N/A
2002GMCSierra 35006.0LV8N/A
2002GMCYukon4.8LV8N/A
2002GMCYukon XL 15005.3LV8N/A
2002GMCYukon XL 25006.0LV8N/A
2002PontiacFirebird5.7LV8N/A
2001ChevroletCamaro5.7LV8N/A
2001ChevroletCorvette5.7LV8N/A
2001ChevroletSilverado 15004.8LV8N/A
2001ChevroletSilverado 1500 HD6.0LV8N/A
2001ChevroletSilverado 25006.0LV8N/A
2001ChevroletSilverado 2500 HD6.0LV8N/A
2001ChevroletSilverado 35006.0LV8N/A
2001ChevroletSuburban 15005.3LV8N/A
2001ChevroletSuburban 25006.0LV8N/A
2001ChevroletTahoe4.8LV8N/A
2001GMCSierra 15004.8LV8N/A
2001GMCSierra 1500 HD6.0LV8N/A
2001GMCSierra 25006.0LV8N/A
2001GMCSierra 2500 HD6.0LV8N/A
2001GMCSierra 35006.0LV8N/A
2001GMCYukon4.8LV8N/A
2001GMCYukon XL 15005.3LV8N/A
2001GMCYukon XL 25006.0LV8N/A
2001PontiacFirebird5.7LV8N/A
2000ChevroletCamaro5.7LV8N/A
2000ChevroletCorvette5.7LV8N/A
2000ChevroletSilverado 15004.8LV8N/A
2000ChevroletSilverado 25005.3LV8N/A
2000ChevroletSuburban 15005.3LV8N/A
2000ChevroletSuburban 25006.0LV8N/A
2000ChevroletTahoe4.8LV8N/A
2000GMCSierra 15004.8LV8N/A
2000GMCSierra 25005.3LV8N/A
2000GMCYukon4.8LV8N/A
2000GMCYukon XL 15005.3LV8N/A
2000GMCYukon XL 25006.0LV8N/A
2000PontiacFirebird5.7LV8N/A
1999ChevroletCamaro5.7LV8N/A
1999ChevroletCorvette5.7LV8N/A
1999ChevroletSilverado 15004.8LV8N/A
1999ChevroletSilverado 25005.3LV8N/A
1999GMCSierra 15004.8LV8N/A
1999GMCSierra 25005.3LV8N/A
1999PontiacFirebird5.7LV8N/A
1998ChevroletCamaro5.7LV8N/A
1998ChevroletCorvette5.7LV8N/A
1998PontiacFirebird5.7LV8N/A
1997ChevroletCorvette5.7LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.