SKU: 62923130299

XDP Stock Replacement Harmonic Dampener 01-05 GM 6.6L Duramax LB7/LLY

Sale price$209.22 Regular price$232.47
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

XDP Stock Replacement Harmonic Dampener 01-05 GM 6.6L Duramax LB7/LLYDoes your Silverado or Sierra feel like your driving a grain truck sometimes? With high mileage diesel trucks, sometimes we expect a less than smooth ride out of it but it doesn't have to be that way. Replace the worn factory balancer on your GM 6. 6L Duramax with the XDP Premium Balancer Series Stock Replacement Harmonic Dampener XD709. Designed as a direct fit OE style replacement, the XD709 helps absorb harmful crankshaft vibrations that can lead

Does your Silverado or Sierra feel like your driving a grain truck sometimes? With high mileage diesel trucks, sometimes we expect a less than smooth ride out of it but it doesn't have to be that way. Replace the worn factory balancer on your GM 6.6L Duramax with the XDP Premium Balancer Series Stock Replacement Harmonic Dampener XD709. Designed as a direct-fit OE-style replacement, the XD709 helps absorb harmful crankshaft vibrations that can lead to premature wear on critical engine components such as the crankshaft, main bearings, timing components, and accessory drive system.

The harmonic dampener/balancer, also known as a crankshaft vibration damper, plays a vital role in reducing torsional vibration created during combustion. Over time, the factory balancer's rubber isolator can deteriorate, crack, or separate, resulting in increased engine vibration, belt issues, and potential engine damage. The XDP XD709 is built with spheroidal graphite cast iron and features inserted and pressure-bonded rubber for exceptional durability and reliable vibration control under stock and moderately upgraded applications.

Whether you're restoring a daily-driven truck, towing heavy loads, or maintaining your Duramax for long-term reliability, the XD709 offers premium construction and OE-quality fitment you can trust. Product listings identify this balancer as a direct replacement for GM 6.6L Duramax engines.

When do I need to replace my harmonic balancer/dampener?

The dampener on your truck dampens (duh) torsional vibrations generated by the crankshaft, protecting internal engine components and improving smoothness. If your dampener is going out you will notice cracked rubber, wobbling at idle, unusual engine vibration, belt noise, and timing issues. Sometimes it can feel like the entire truck is going to fall apart but with this easy fix you can get it running smooth again!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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]
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SKU: 62923130299

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4.1 ★★★★★
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Catibbetts
Belleville, US
★★★★★ 1
Can opener
This product does not work well! It actually doesn't work at all!! Will not cut thru can lids at all. Very disappointing to say the least. I purchased to make things easier only to be left not being able to open dinner 😕. Would not recommend to anyone!!!
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Reviewed in the United States on May 15, 2026
R
Verified Purchase
Roberta Hallahan
Whiting, US
★★★★★ 4
Can opener
It doesn't shut off by itself when done and doesn't shut off when I push the button, so after a while it will shut off but when it wants too after you take it off the can ,like 30 seconds. But I do like the way it cuts, a clean cut and lid removal nice.
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Reviewed in the United States on February 2, 2026
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Verified Purchase
GardenGirl
Chelsea, US
★★★★★ 5
So simple to use, I'm amazed
Color: Black
Wonderfully helpful. Description is accurate, shipping was quick. I saw a few poor comments, but I have none so far! The can opener has opened cans of several sizes, from tomato paste to large cans of tomatoes; soup cans to strangely shaped. It's opened 30 or so already without loss of power. It's a little noisy, but about equal to that of a stand up opener. It fits in my drawer, which is less deep than most kitchen drawers. Most of all, it's beyond easy to use for arthritic hands. The ONLY CHALLENGE I have is that it sometimes fails to stop when it should. MANUFACTURER: if you read this and have advice, please share. At this point, I'd say this is a great value for the money.
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Reviewed in the United States on February 18, 2026
S
Verified Purchase
SA
Massapequa, US
★★★★★ 5
Cordless can opener.
Color: Black
Works great and has been very reliable, open many cans on a single charge, would recommend.
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Reviewed in the United States on June 1, 2026
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Verified Purchase
karla deloatch
Massapequa, US
★★★★★ 1
Pleased be careful
Color: Black
Please be very careful when using this. After using it 2 times it opened cans just fine. Then it stop opening cans and will make hair like strains of metals and one would think its hair and pull on it thus Cutting your fingers open. That’s what happened to me. Please be careful.
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Reviewed in the United States on May 16, 2026

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