Marine Parts & Accessories - Exhaust Manifolds & Risers - Performance

1" Stainless "Y" Style Fitting

Brand: Hardin Marine

SKU: 420-910311

MSRP:

Was:

Now: $99.99

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Stainless Steel 18MM Oxygen Sensor Plug

Brand: Hardin Marine

SKU: 620-50031

MSRP:

Was:

Now: $23.95

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O2 Spacer, Stock Mercury Riser Wet Joint

Brand: Hardin Marine

SKU: 620-32430

MSRP:

Was:

Now: $109.00

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Seaward O2 Wedge / Gauge Kit

Brand: Hardin Marine

SKU: 620-38081

MSRP:

Was:

Now: $409.99

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Seaward O2 Oxygen Sensor Adapter Flange

Brand: Hardin Marine

SKU: 620-38080

MSRP:

Was:

Now: $99.99

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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

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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 plug. Sold Each. 18mm x 1.5

MSRP:

Was:

Now: $23.95

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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 Mercruisers most common Wet Joint style exhaust manifold systems...

MSRP:

Was:

Now: $109.00

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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 instructions for installation 0-5v data and serial data...

MSRP:

Was:

Now: $409.99

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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 billet aluminum anodized wedge is at just the perfect...

MSRP:

Was:

Now: $99.99

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