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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Merchant Automotive 10549 Water Pump (With Housing)The Merchant Automotive 10549 Water Pump (With Housing) is a high quality replacement for the worn water pump your 2001 2005 GM 6. 6L Duramax LB7 LLY. Water pumps are common wear items not only in diesel trucks, but in all vehicles. A failing water pump can cause catastrophic damage if not taken care of early. The water pump is responsible for keeping coolant flowing throughout your engine, keeping it cool. As your Chevy GMC gets older, the factory
The Merchant Automotive 10549 Water Pump (With Housing) is a high-quality replacement for the worn water pump your 2001-2005 GM 6.6L Duramax LB7/LLY. Water pumps are common wear items not only in diesel trucks, but
in all vehicles. A failing water pump can cause catastrophic damage if
not taken care of early. The water pump is responsible for keeping
coolant flowing throughout your engine, keeping it cool. As your Chevy/GMC
gets older, the factory water pump can start to deteriorate due to old
age. If you do not have your coolant flushed at the recommended factory
intervals, you could see premature failure of your water pump. This
water pump kit with housing (or cover) is a great way to get your water
pump replaced with factory-like components.
This Water Pump Kit includes everything you need to replace the factory water pump on your Duramax equipped truck. This kit includes a brand new water pump with cover, water pump studs, flywheel lock, and all of the necessary seals and gaskets to complete the install. This comprehensive kit was designed specifically for completing a Duramax water pump job from start to finish.
This Water Pump Kit includes everything you need to replace the factory water pump on your Duramax equipped truck. This kit includes a brand new water pump with cover, water pump studs, flywheel lock, and all of the necessary seals and gaskets to complete the install. This comprehensive kit was designed specifically for completing a Duramax water pump job from start to finish.
Features:
- All In One Kit
- Direct Replacement
- OEM Style Water Pump
- Restores Factory Like Function
- Includes Flywheel Lock, Gaskets, Studs, & O-Rings/Seals
Kit Includes:
Water Pump With Cover
Water Pump To Engine Cover Seal
Flywheel Lock
2 Water Pump Studs
Bypass Pipe Seal
Upper Bypass Pipe Seal
Water Pump Outlet Gasket
Water Pump To Engine Cover Seal
Flywheel Lock
2 Water Pump Studs
Bypass Pipe Seal
Upper Bypass Pipe Seal
Water Pump Outlet Gasket
Signs The Water Pump In Your Duramax Is Bad
There
are a few tell-tell signs to indicate that you need to replace your
water pump as soon as possible. Fortunately, most water pumps will show
symptoms of failing before they completely fail. This may include a
coolant leak from the weep hole, a small hole in the housing, designed
to leak coolant in failure situations. You may also notice rust or
deposit buildup on the internal impellor in more extreme cases. A loose
pulley or a pump that is making whining noises can occur, but is less
common. Lastly, if your truck is overheating, this can also be the
culprit and you will want to check when diagnosing why your truck.
Note:
The harmonic balancer balancer bolt will need to be removed to replace your water pump.
The factory bolt is a torque-to-yield fastener (TTY) for one time use and must be replaced.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1269 reviews
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Product Reviews
★★★★★ 5
Easy to apply and rubs in quick
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
★★★★★ 5
Lasts a long time
I've been using this sunscreen on myself and two kids almost daily for the past two months or so. And we are still not even half through one bottle - there's plenty of product in there and you only need a little bit. I like that this lotion absorbs fast and doesn't wear off for a very long time. It has a mild fragrance and a bit of an oily texture. But it does a great job protecting skin from the sun.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Quality sunscreen
Works just as expected. Don't apply too much at once, just enough for thin layer so it doesn't just sit on top of the skin and actually absorbs properly. Not too oily. The smell is pleasant and not too strong. Definitely need to reapply as directed for maximum protection. Pretty easy to open with one hand if needed, which is an added plus.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 1
Burns eyes
I am sad to say it burns eyes. The old formula did not. This one does. My eyes are burning so bad. I can’t even keep them open to read a book.
I see the trick now. Bottle reads won’t run into eyes, not won’t sting eyes.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Tears free sunscreen
Perfect for my little ones- busy at sports, this one holds sweat and tears!
It does require you to apply with patience otherwise they are white ghosts until it fully absorbs but no tears and they do sometimes wiggle so it goes everywhere lol
Easy to wash off and does its job protecting their kids skin nicely from the vicious sun - I would recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
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