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MerCruiser Upper Exhaust Bellows 3-4 in #70981A3, 18-2762, 89070 - Automotive Authority

Upper Exhaust Bellows 3-4 in #70981A3, 18-2762, 89070 For Use On MerCruiser

Automotive Authority

Upper Exhaust Bellow for MerCruiser 

The exhaust hose/tube are designed to meet or exceed OEM specifications. The bellow will be exactly as pictured. Installs on to 3 inch 15 degree center mounted risers with 4 inch elbow

Replaces Part #s: 70981A3, 18-2762, 89070

Brand: Automotive Authority

These bellows are designed for the following MerCruiser applications:

  • 165/170/3.7L/180/190/470/485/488 manifolds
  • (1980 - 1989)
  • Chevy 305/350/377 (1983 - up)
  • Big block 454/502 (1981 - up)
  • V6 229/262 (1983 - up) 

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