1" Stainless "Y" Style Fitting Brand: Hardin Marine SKU: 420-910311 MSRP: Was: Now: $99.99 Choose Options
Stainless Steel 18MM Oxygen Sensor Plug Brand: Hardin Marine SKU: 620-50031 MSRP: Was: Now: $23.95 Choose Options
O2 Spacer, Stock Mercury Riser Wet Joint Brand: Hardin Marine SKU: 620-32431 MSRP: Was: Now: $105.99 Choose Options
Seaward O2 Wedge / Gauge Kit Brand: Hardin Marine SKU: 620-38081 MSRP: Was: Now: $409.99 Choose Options
Seaward O2 Oxygen Sensor Adapter Flange Brand: Hardin Marine SKU: 620-38080 MSRP: Was: Now: $99.99 Add to Cart
Hardin Marine 1" Stainless "Y" Style Fitting These all stainless steel "Y" style water divider fittings are commonly used when plumbing 4-port thermostat housing down to 2 hoses for water outlet to the exhaust manifold connection. MSRP: Was: Now: $99.99 Choose Options
Hardin Marine Stainless Steel 18MM Oxygen Sensor Plug Stainless Steel 18MM Oxygen Sensor PlugThis plug only is designed fit popular O2 bungs and ports designed to allow you to cap/plug a oxygen sensor bung Price does not include bung only pl MSRP: Was: Now: $23.95 Choose Options
Hardin Marine O2 Spacer, Stock Mercury Riser Wet Joint O2 Spacer, Stock Mercury RiserThis Unique 1" thick adapter plate provides an installation option for retro fitting a Oxygen sensor and or air fuel ratio gauge for tuning purposes Into Mercruiser's... MSRP: Was: Now: $105.99 Choose Options
Hardin Marine Seaward O2 Wedge / Gauge Kit Seaward O2 Wedge / Gauge Kit Gauge kit includes custom tuned .1 AFR Resolution Bosch LSU 4.9 Sensor, 8ft. wiring harness, 304 stainless steel weld-in bung, mounting hardware, and detailed ins MSRP: Was: Now: $409.99 Choose Options
Hardin Marine Seaward O2 Oxygen Sensor Adapter Flange Whether you're a tuner seeking to add a popular Air/Fuel ratio gauge or you're entering the world of aftermarket fuel injection we have developed the critical part to make this addition a snap. This... MSRP: Was: Now: $99.99 Add to Cart
