1991 Mercury Cougar Engine Blocks
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- Dorman®Autograde™ Expansion PlugMercury Cougar 1991, Autograde™ Expansion Plug by Dorman®. Dorman offers a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.Direct fit kits available for ease of replacementExpansion Plugs also available individually$0.44 - $1.72
- Dorman®Autograde™ Expansion Plug KitMercury Cougar 1991, Autograde™ Expansion Plug Kit by Dorman®. Dorman offers a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.Direct fit kits available for ease of replacementExpansion Plugs also available individually$13.32 - $23.92
- Dorman®Autograde™ Expansion PlugsMercury Cougar 1991, Autograde™ Expansion Plugs by Dorman®. Dorman offers a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.Direct fit kits available for ease of replacementExpansion Plugs also available individually$7.38 - $26.05
- Dorman®Autograde™ Pipe PlugsMercury Cougar 1991, 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$2.77 - $3.03
- Dorman®Square Head Type Pipe PlugMercury Cougar 1991, Square Head Type 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$2.85
- Melling®Expansion Plug KitMercury Cougar 1991, Expansion Plug Kit by Melling®. Melling expansion plug kits provide an efficient way to supply the plug requirements to complete your engine rebuild. Melling offers convenient bagged coverage for most domestic and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.10 - $21.65
- Pioneer Automotive®Engine Bolt KitMercury Cougar 1991, Engine Bolt 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 and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.27 - $86.74
- Pioneer Automotive®Expansion Plug KitMercury Cougar 1991, 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 and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.25 - $24.52
- Pioneer Automotive®Poly Steel Block Plug KitMercury Cougar 1991, 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 your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.98
- QualCast®Expansion Plug KitMercury Cougar 1991, Expansion Plug Kit by QualCast®. QualCast Expansion Plugs are produced from the highest quality steel in a wide variety of cup designs. For marine, performance, or heavy duty applications QualCast recommend brass...$5.12 - $11.39
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