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Description
Merchant Automotive 10089 Billet Coolant Block-Off PlateGet the Merchant Automotive 10089 Billet Coolant Block Off Plate from GAP for your 2001 2025 GM 6. 6L Duramax LB7 LLY LBZ LMM LML L5P. Merchant Automotive designed this durable replacement plate to eliminate the coolant leaking issue on your Duramax engine. The factory coolant block off plate has a cast design with a gasket. Over time, this plate commonly begins to leak. Merchant Automotive manufactured this billet block off plate with a built in O
Get the Merchant Automotive 10089 Billet Coolant Block-Off Plate from GAP for your 2001-2025 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P. Merchant Automotive designed this durable replacement plate to eliminate the coolant leaking issue on your Duramax engine. The factory coolant block-off plate has a cast design with a gasket. Over time, this plate commonly begins to leak. Merchant Automotive manufactured this billet block-off plate with a built-in O-ring seal for a leak-free installation.
Features:
- Billet Construction
- Replaces Factory Block-Off Plate
- Installs Using Factory Bolts & Hardware
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
4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
works, sprays weird.
works great, when I spray it, it comes out kinda think in a street instead of a spray. it won't keep me from buying it again if I needed it.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
WORKS
I you sleep with your mouth open this is the spray for you!!
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Reviewed in the United States on February 6, 2026
★★★★★ 5
It tastes ok and works
This spray eliminates dry mouth.
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Reviewed in the United States on February 22, 2026
★★★★★ 1
Saftey seals in question
This item came without any type of saftey seal on the box or the bottle and box was very crumpled..in fact the box lid was not sealed.very concerned about this priduct given how it was received
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Reviewed in the United States on April 17, 2026
★★★★★ 5
So Helpful for Dry Mouth Relief
⭐⭐⭐⭐⭐
This Moisturizing Mouth Spray in Gentle Mint has been perfect for my mom, who struggles with dry mouth due to Sjögren’s. It provides quick moisture and feels soothing without being overpowering.
The mint flavor is light and gentle, not too strong or artificial, which makes it comfortable to use throughout the day. The spray is easy to carry and convenient for on-the-go relief.
Overall, this has been a very helpful product for managing dryness and improving comfort. We’re really pleased with how well it works. ⭐⭐⭐⭐⭐
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Reviewed in the United States on February 12, 2026