Engine Accessories

Sierra 18-8616 O2 Sensor Wrench 2-1/8" Offset Sierra Marine O2 sensor wrench with a 2-1/8" offset. Universal Fits 7/8" O2 sensors Includes 6 and 12 point socket for confined areas 3/8" Drive,...

Sierra 18-9396 Yamaha Oil Change Kit  Complete Conventional Oil Change Kit. Kit Includes: 20W-40 Oil Oil Filter Drain Gasket Disposable Funnel Service Decal Shop...

Sierra 18-9421CAT-7 Semi Synthetic Catalyst Marine Oil

Sierra 18-9784 Barrel Pump For 16-55 Gallon Drum The Sierra Barrel Oil Pump is an adjustable pump that can be used for 16 - 55 gallon drums.

Lower Unit Fill Tube - Special Order est. 10 Days

Lower Unit Fill Tube - Special Order est. 10 Days

Wheel Bearing Packer by Sierra Simplifies bearing packing process and helps to insure consistent, even filling

Driver Head - Special Order est. 10 Days

Bearing Cup Driver - Special Order est. 10 Days

Sierra 18-9833 Mercruiser Driver Head Used to remove and install bearings. Compatible Gear Cases: MC-I, R-MR, Alpha One, Alpha One/Gen II, and all Bravo Interchangeable with: Mercury...

Sierra 18-9834 Driver Head Used to remove and install bearings. Compatible Gear Cases: MC-I, R-MR, Alpha One, Alpha One/Gen II, and all Bravo Interchangeable with: Mercury...

Sierra 18-9848 Mercuiser Bearing Driver Removes and installs bearings in MC-I, R-MR, Alpha One, Alpha One/Gen Two, all Bravo and outboard gear cases. Compatible Outboard Gear Cases: MC-I, R-MR,...

Bearing Puller - Special Order est. 10 Days

Sierra 18-9855 Mercruiser Driven Gear Shimming Tool Measures upper DRIVE gear clearance on MC-I, R-MR, Alpha One and Alpha One/Gen. Two drive units. Interchangeable with: GLM 90170 Mercury...

Mercruiser Drive Gear Shimming Tool by Sierra Measures upper DRIVEN gear clearance on MC-I, R-MR, Alpha One, Alpha One/Gen. Two drive units. Replaces: Mercury - 91-60526T GLM - 90180 Pro Marine -...

Sierra 18-9904 Fault Finder Use the Sierra Fault Finder for tracking and tracing open and short circuits, broken wires and current leaks. Features: Non-contact technology. No wire piercing required...

Sierra 18-9905 AC/DC Low Current Clamp Meter AC/DC current measurement from 1 mA up to 100 A AC/DC voltage measurement up to 600 V Features: Clamp opens up to 1/2" (12.5mm) One rotary switch...

Sierra 18-9910 Oxygen Sensor Tester & Simulator Use Sierra 18-9910 Oxygen Sensor Tester and Simulator for testing & diagnostics on any Oxygen Sensor to determine whether the sensor needs replaced...

Sierra 18-9915 Fuel Injection Analyzer Use the Sierra 18-9915 Fuel Injection Analyzer to check the operation of any gasoline or diesel fuel injector.

Sierra 62375P Driftwood Series Trim Gauge The Driftwood Series features light gray dials, clean black numerals and a black pointer hub with white staff. These instruments lend a sophisticated look...