Total Price:
Add to CartSierra high-quality engine parts are designed to meet OEM specifications. All Sierra alternators meet or exceed USCG and SAE J1171 safety requirements and are 100% load tested for assured reliability. This MerCruiser Alternator will maintain proper charging levels.
Features:
Interchangeable With:
What is the Sierra 18-6298 MerCruiser Alternator used for?
The Sierra 18-6298 MerCruiser Alternator is designed to maintain proper charging levels on specified MerCruiser applications. It fits 100 Vazer, 2001 and newer GM V-6 and V-8 engines with serial numbers 0M320025 and up, as well as MCM 496 Mag, HO, and MIE 8.1L and HO applications.
What are the specifications of the Sierra 18-6298 alternator?
The Sierra 18-6298 has a 7SI/70 amp rating, hinge mount type, and serpentine pulley. Its diameter size is 1.97". Verify these specifications against your existing alternator before selecting a replacement.
Which MerCruiser engines does the Sierra 18-6298 alternator fit?
The Sierra 18-6298 fits 100 Vazer and 2001 and newer GM V-6 and V-8 engines with serial number 0M320025 and up. It is also listed for MCM 496 Mag and HO, and MIE 8.1L and HO applications.
Which alternator part numbers are interchangeable with the Sierra 18-6298?
The Sierra 18-6298 is listed as interchangeable with Arco 20815, Mallory 9-19111, and MerCruiser Stern Drive 863077T. Use these part numbers as additional references when verifying replacement compatibility.
Does the Sierra 18-6298 alternator meet marine safety requirements?
According to the product description, Sierra alternators meet or exceed USCG and SAE J1171 safety requirements. The Sierra 18-6298 is also described as 100% load tested, and Sierra engine parts are designed to meet OEM specifications.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-6293 Alternator Sierra replacement engine parts are engineered to meet or exceed OEM requirements. For MerCruiser Stern Drives. Features: Amp Rating: 7SI/70 Mount Type: Hinge Pulley...
Sierra 18-5433 Ignition Coil Sierra replacement ignition coil. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Features: Fits: MCM 4 Cyl., V-6 & V-8 Engines...
Sierra 18-2746 MerCruiser Exhaust Boot Sierra 18-2746 Exhaust Boot fits MCM GM V-6 & V-8 engines. 4" Lower Tube Interchangeable with: GLM 89130 Mallory 9-72811 MerCruiser Stern...
Sierra 18-36001 Sea Water Pump Fits: V6&V8 engines with V-belt and 1 piece pump Interchangeable With: MerCruiser Stern Drive 46-807151A12 46-72774A50 Frequently As
