Hardin Marine

Stainless Steel Oxygen Sensor Bung - Hex Head

These bungs are designed to allow you to weld in a oxygen sensor bung for convenient fuel injection or air fuel ratio calibration. Price does not include installation/welding.  Sold Each. 18mm x 1.5, Hex Head

Note: This is a bung and plug only, no installation is done.

Stainless Steel Oxygen Sensor O2 Bung

These bungs are designed to allow you to weld in a oxygen sensor bung forconvenient fuel injection or air fuel ratio calibration. Price does not include installation/welding.  Sold Each. 18mm x 1.5

Note: This is a bung and plug only, no installation is done.

Stainless Steel Oxygen Sensor O2 Bung Fitted to Tailpipe (Each)

These bungs are designed to allow you to weld in an oxygen sensor bung for convenient fuel injection or air fuel ratio calibration.

Universal M18x1.5 thread pitch. Fits most wideband & narrow band O2 sensors. Requires welding.

Note: This part will be fitted to Hardin Marine tailpipes. These must be ordered with Hardin Marine tailpipes. It does not include a plug, see related parts if you need a plug.

Stainless Steel Pop-Up Cleat, 4-1/2", 6" or 8"

All components are stainless steel. The cleat and housing are of 316 gradestainless. By pushing a button, the cleat springs up for use. By pushing down onthe cleat it locks back into the recessed position. All pop up cleats includebacking plate.

Stainless Steel Pop-Up Mushroom Cleat

• Overall Height: 2-1/2"
• Height from flange: 3/4" (closed)
• Width: Cap: 2", Flange: 1-9/16"
• Mounting Bolts: 15/16" center to center, triangle pattern
• Installation Hole: 3/4"

Clean in design and low and smooth when not in use, these mushroom cleats are easy to use. Just pull up on the spring loaded cleat head, insert a rope and let it go!. The cleat head, base, shaft, spring and snap ring are all stainless steel!
Sold Each

Stainless Steel Rectangular Top Pull-Up Cleats, 6", 8" or 10"

All components are stainless steel. The cleat and housing are of 316 grade stainless.

• Sleek, narrow design allows for installation where other flush-mounted cleats won't fit.
• No Cut-out required.
• Made of marine grade 316 stainless steel.
• Easy to pull up, the recess in the base allows the cleat to be grasped quickly and easily. 
• Mounded base allows water to run off the cleat.
• Uses 13/16" Mounting Holes

Polished Stainless Steel Riser For Silent Choice Mercury Manifolds - 3" Rise

Sold in pairs.

Polished Stainless Steel Riser For Silent Choice Mercury Manifolds - Standard Dimensions

Sold in pairs.

Polished Stainless Steel Risers For Original Mercury Manifolds - 3" Rise

Sold in pairs.

Stainless Steel Risers For Original Mercury Manifolds - Standard Dimensions

Sold in pairs.

Stainless Steel Sea Pump Drain Plugs - Mercruiser 22-806608A02 / 8M2000874 (5 Pack)

(5) Five per package

If you are tired of having the blue plastic drain plug tabs crumble in your fingers then look no further, these replacements for Mercruiser #22-806608A02 / 8M2000874 from Hardin Marine are polished Stainless Steel and will last a lifetime! Plugs are 1/2-13 thread.

Stainless Steel Sea Strainer Cap - Swirl Style

Note: This Cap only works on Gil Style Sea Strainer 420-913222.

This product is perfect for applications looking  add a steering wheel that ONLY has a 3/4" tapered provision to a helm post that has standard 3 or 6 bolt patterns . This adapter Bolts to popular 3 and 6 bolt hub patterns adding a 3/4" tapered post with keyway to mount a steering wheel to the steering post extension.

Stainless Steel Throttle Cable Bracket For Edelbrock Carburetors

This beautifully polished stainless steel throttle bracket will allow mounting of all popular cable clamps. This bracket mounts above the carburetor flange to provide a solid mounting point for your cable without the flex associated with aluminum brackets.

Note: Cable clamps sold separately.

Stainless Steel Throttle Cable Bracket For Holley & Quick Fuel Carburetors

These brackets allow mounting of all popular cable clamps providing a solid cable clamp foundation. These brackets fasten to the top of the carburetor base plate while using existing hardware. All of these brackets are manufactured from stainless steel. The bracket will not fatigue and break like aluminum models. Each bracket is available polished or powder coated in a variety of popular colors. Note cable clamps sold separately. Fits 4150/4160 square bore bolt pattern 5.625" center to center

Stainless Steel Throttle Cable Bracket For Holley Dominator & Barry Grant King Demon Carburetors

This beautifully brushed stainless steel throttle bracket will allow attachment of all popular cable clamps. This bracket mounts above the carburetor flange to provide a solid mounting point for your cable without the flex associated with aluminum brackets. 5.375" center to center bolt pattern.

Cable clamps sold separately. 

Stainless Steel Throttle Cable Bracket For Holley Sniper EFI Systems

This stainless steel throttle bracket will allow mounting of all popular cable clamps and accessories to a Holley Sniper EFI System. This bracket mounts above the carburetor flange to provide a solid mounting point for your cable without the flex associated with aluminum brackets. Raw Finish.

Note: Cable clamps sold separately. Sniper throttle arms may require an extension to match different throttle assembly throws because EFI  linkages are different from Carbs. We manufacture this bracket to aid in cable attachment only. This bracket ONLY FITS 4150 flange Holley Sniper kits.

Stainless Steel Transom Mounted Ski Tow

This polished stainless steel ski tow will provide an ultra secure mount for your skiers.

• Fits up to a 2-1/2" thick transom
• Eye Diameter is 3-1/2"
• Stands 1-3/4" off the transom

Stainless Steel Wiring Harness Cannon Plug Mount/Breaker Mount

These mounts provide a strong non-corrosive engine wiring harness plug mount. And, they can be universally mounted.

These are NOT cheap automotive-style band clamps They are a 100% stainless steel band, clamp, and screw. These clamps are designed to give years of trouble-free service. Don't trust anything but the best for your boat.

• 100-720-6306, use with 3/8" fuel hose
• 100-720-6310, use with 5/8" fuel hose
• 100-720-6312, use with 3/4" water hose
• 100-720-6316, use with 1" water hose
• 100-720-6320, use with 1-1/4" and 1-1/2" Water hose
• 100-720-6328, use with 1-5/8" water hose
• 100-720-6336, use with 2" fuel hose
• 100-720-6352, use with 2-7/8" and 3" Exhaust hose
• 100-720-6372, use with 4" Exhaust hose
• 100-720-6396, use with 5" Exhaust hose

Stainless Trim Sender Wiring Thru-Hull Fitting, 45 Deg

Incorporating an o-ring seal, this thru-hull is the easiest and cleanest way to route your wiring without having to goop it up with tons of silicone.  Fits Trim Sender Wires such as those as used on Mayfair Trim Indicators systems.

Standard "ST" Shift Or Throttle Control - Chrome

This "ST" control has been an economical and durable control for years. It can be used as a shift or throttle control, it is universal in design. It features a chrome finish and is traditionally used as a forward/reverse control in jet boat applications using a foot throttle assembly.

• Constructed of 316L Stainless Steel.
• Inlet plates welded to a large diameter crossover tube to provide equal water distribution.
• Uses a standard 1-1/4" slip-on inlet connection.
• Available in port and starboard inlet configurations (check before ordering).
• For Chevy Engines Only.

• Constructed of 316L Stainless Steel.
• Inlet plates welded to a large diameter crossover tube to provide equal water distribution.
• Uses a standard 1-1/4" slip-on inlet connection.
• Starboard configuration (check before ordering).
• For Chevy Engines Only, BBC.
• Includes bolts and gaskets.

Standard Dominator/4500 Super Sucks 2" Spacer

How does 10 to 15 horsepower sound in only 15 minutes. That's right we've tested this and now we're believers and users of this awesome product. The unique design of the center section of this spacer actually speeds up the airflow into the engine. We all know more air in equals more power out. This unit works on either single or dual plane intake manifolds with a square flange carburetor mounting pad. You won't be disappointed.

Standard Duty Damper Plate

Standard Duty - These plates contain damper springs similar to a car clutch disc. These springs take the shock out of the shift. Not recommended for high performance applications.