Sierra 18-7615-1 Remanufactured 4-Barrel Rochester Marine Carburetor

The Sierra 18-7615-1 is a professionally remanufactured 4-barrel Rochester Quadrajet carburetor designed for marine small block engines. Built from carefully selected cores that are brought back to exacting OEM specifications, this carburetor delivers reliable performance for inboard and stern drive applications.

Key Features:

• Precision remanufactured to meet or exceed OEM specifications
• Re-calibrated and re-engineered to maximize fuel efficiency and performance
• Flow tested to ensure proper operation out of the box with minimal adjustments required
• Fuel mixture and idle settings are preset so only minor idle and choke adjustments are needed
• Resurfaced base and new throttle shaft bushings
• Includes base gasket

Replaces OEM Part Numbers:

• MerCruiser: 1347-816373A4, 1347-804624R1, 1347-804624R02
• Mallory: 9-34004
• Rochester: 17057298, 17059280, 17059288, 17080561, 17085013

Applications: Compatible with MerCruiser MCM 250/255/260/5.7L engines (1975-1991) and OMC 3.8L/4.3L/5.0L/5.7L/305/350 & 454 engines (1977-1989). This Rochester R4/4MV type carburetor is backed by Sierra's comprehensive warranty.