FLAGGED Mercury MerCruiser Quicksilver Circulating Water-Pump Pulley 807729
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Product Description
Mercury MerCruiser Quicksilver 807729 identifies the circulating water-pump pulley used in specified MerCruiser V6 and V8 serpentine-belt installations. It belongs to the engine circulation-pump drive arrangement, rather than the separate seawater-pump pulley.
Key Features
- Legacy / stamped pulley reference: 807729.
- Catalog service reference: 807729T.
- Serpentine-belt circulating water-pump application.
Engine Compatibility
The pulley family is cataloged for specified MerCruiser V6 and V8 serpentine-belt engines. Confirm the engine serial-number diagram, installed water pump and pulley arrangement; belt-drive components can vary within the same displacement family.
Alternate References
807729T is documented as the service reference associated with the 807729 marking. Dealer catalogs record 8M0153706 as a replacement for 807729T.
Replacement and Installation
Inspect the pulley for cracks, distortion, corrosion and a damaged belt-contact surface. Check the belt and pump mounting flange before installation, then verify alignment and belt routing. Use the engine service manual for pulley fastener torque and belt adjustment.
Parts Desk Insight
Match the circulation-pump location and serpentine-belt configuration. A similar-looking raw-water pump pulley serves a different position.
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.