Mercury MerCruiser Quicksilver 316 Stainless Worm-Gear Hose Clamp 2-9/16–3-1/2 Inch 815504348
In stock items ship same or next day.
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You have 30 days to request a return. All sale items are final sale.
Product Description
Mercury MerCruiser Quicksilver 54-815504348 is a 316 stainless-steel worm-gear clamp with a 2-9/16-inch to 3-1/2-inch clamping range. It is used on specified MerCruiser exhaust-bellows, hose and cooler mounting connections.
Key Features
- OEM worm-gear clamp, part 54-815504348.
- Clamping-diameter range: 2-9/16 to 3-1/2 inches.
- Material: 316 stainless steel; standard clamp size 48.
- Replaces 54-32533 and 803466.
Product Compatibility
Verified applications include specified Bravo I / II / III and Alpha One Gen II bell-housing assemblies. In the 485 bell-housing diagram this number secures the exhaust-bellows connection. Use the exact assembly diagram and clamped outside diameter to select the clamp.
Installation Notes
Replace a clamp with a damaged band, stripped screw or corrosion. Inspect the hose or bellows beneath it, position the band on the correct seating area and tighten according to the relevant service procedure. Check adjacent components for clearance through steering and trim movement.
Parts Desk Insight
Different clamps are used for the water hose, exhaust bellows and U-joint bellows. The 348 suffix identifies this particular diameter range.
Manufacturer Parts Lookup
Use Mercury’s official parts finder to check the part against your engine or drive serial number.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.