SKU: 30907550718

Merchant Automotive 10491-8 HD Injector Return Line Bolts at Injector 01-04 6.6L GM Duramax LB7

Sale price$71.93 Regular price$79.92
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Merchant Automotive 10491-8 HD Injector Return Line Bolts at Injector 01-04 6.6L GM Duramax LB7With the shallow head on the stock bolt in the LB7 Duramax engine, it is common for the head to round out during removal. The Merchant Automotive Heavy Duty LB7 Injector Return Line Bolt has been redesigned to allow nearly double the tool engagement. Proper engagement of the Allen wrench is crucial for accurate torque during reassembly to avoid a fuel leak at the return line fitting. The unique head shape offers the needed strength while maintaining

With the shallow head on the stock bolt in the LB7 Duramax engine, it is common for the head to round out during removal. The Merchant Automotive Heavy Duty LB7 Injector Return Line Bolt has been redesigned to allow nearly double the tool engagement. Proper engagement of the Allen wrench is crucial for accurate torque during reassembly to avoid a fuel leak at the return line fitting. The unique head shape offers the needed strength while maintaining proper clearance on other engine components. Each kit comes with 8 bolts, enough for one engine.

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Exchange/Return Notes
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SKU: 30907550718

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Samuel Peavy
New York, US
★★★★★ 5
Warm
Very nice and warm for the weather
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Reviewed in the United States on January 18, 2026
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Amazon Customer
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Am impressed
Warm and cozy feel.
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Reviewed in the United States on January 23, 2026
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Susan K Anderson
Chelsea, US
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
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Reviewed in the United States on June 4, 2026
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Garfield S
Fort Morgan, US
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
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Reviewed in the United States on March 29, 2026
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Rob75432
Draper, US
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification. Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025

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