1981 Pontiac Bonneville Engine Blocks
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Dorman®Autograde™ Expansion PlugPontiac Bonneville 1981, Autograde™ Expansion Plug by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$1.01 - $13.13 - Dorman®Autograde™ Expansion Plug KitPontiac Bonneville 1981, Autograde™ Expansion Plug Kit by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$9.74 - $23.94
- Dorman®Autograde™ Expansion PlugsPontiac Bonneville 1981, Autograde™ Expansion Plugs by Dorman®. This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$6.50 - $26.82
- Enginetech®Expansion Plug KitPontiac Bonneville 1981, Expansion Plug Kit by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$4.19 - $20.26
- Pioneer Automotive®Expansion Plug KitPontiac Bonneville 1981, Expansion Plug Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.56 - $23.32
- SCE Gaskets®Rear Main SealPontiac Bonneville 5.0L / 5.7L With Short Chevy Small Block Engine 1981, Rear Main Seal by SCE Gaskets®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Perfect solution for racing and high-performance engine applicationsManufactured using advanced engineering and on-track testing$16.20
- Fel-Pro®Valley Pan Gasket SetPontiac Bonneville 1981, Valley Pan Gasket Set by Fel-Pro®. Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust. Designed...Meets or exceeds all original equipment specificationsApplication specific design to ensure a perfect fit$28.07 - $44.52
- Dorman®Autograde™ Pipe PlugsPontiac Bonneville 1981, Autograde™ Pipe Plugs by Dorman®. This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been...Ideal replacement - this pipe plug matches the diameter, thread pitch and head type of the original equipment partDurable construction - this plug is made of quality materials for dependable service$3.51 - $4.98
- Dorman®HELP™ 1" Rubber Expansion PlugPontiac Bonneville 3.8L 1981, HELP™ 1" Rubber Expansion Plug by Dorman®. This engine oil galley plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for...Direct replacement - this engine oil galley plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$4.79
- Dorman®Pipe PlugPontiac Bonneville 1981, Pipe Plug by Dorman®. Dorman Pipe Plugs are manufactured with high corrosion resistance for long-lasting performance. They're conveniently available in packs of varying quantities.Direct replacement for a proper fit every timeThread lock applied for increased locking action and leak prevention$3.33
- SCE Gaskets®Accu Seal E Dyno Pak Rear Main Seal SetPontiac Bonneville 5.0L / 5.7L With Chevy Small Block Engine 1981, Accu Seal E Dyno Pak Rear Main Seal Set by SCE Gaskets®. Another SCE first: Dyno PaksTM are tailor-made for engine builders and other volume gasket users. Each Dyno Pak...Perfect solution for racing and high-performance engine applicationsManufactured using advanced engineering and on-track testing$98.76
- Moroso®Rear Main Seal AdapterPontiac Bonneville 5.7L 1981, Rear Main Seal Adapter by Moroso®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$225.99 - $252.99
- Fel-Pro®Valley Pan Gasket SetPontiac Bonneville 1981, Valley Pan Gasket Set by Fel-Pro®. Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust. Designed...Meets or exceeds all original equipment specificationsApplication-specific design for a perfect fit$26.78 - $32.23
- Enginetech®Cylinder SleevePontiac Bonneville 3.8L 1981, Cylinder Sleeve by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$11.07
- Pioneer Automotive®Poly Steel Block Plug KitPontiac Bonneville 5.7L 1981, Poly Steel Block Plug Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.75
- Dura-Bond®Oil Galley Rear Main PlugPontiac Bonneville 4.3L / 5.7L 1981, Oil Galley Rear Main Plug by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$8.24
- Proform®Expansion Plug KitPontiac Bonneville 4.3L / 5.0L / 5.7L With Pontiac V8 Engines 1981, Expansion Plug Kit by Proform®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Carefully designed to improve the performance of your vehicleCrafted from first-rate materials$33.66
- PCE®Oil Flow Restrictor Kit (Chevy Small Block Gen I)Oil Flow Restrictor Kit by PCE®. When roller rocker arms are installed, along with a mechanical lifter cam, the amount of oil flow required to the valvetrain is greatly reduced. Installing a PCE oil restrictor kit will limit this...Expertly Crafted from the highest grade materialsDesigned with breakthrough technology$17.20
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1981 Pontiac Bonneville Models
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