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Grizzly Injection Line (Cylinders 2 and 7) 01-04 GM 6.6L Duramax
Grizzly

Grizzly Injection Line (Cylinders 2 and 7) 01-04 GM 6.6L Duramax

MPN: GZ-GA93723
Street Performance
$71.98
Ships From Supplier · Ships in 3–7 business days
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Fitment sensitive
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Restore proper high-pressure fuel delivery in your GM 6.6L Duramax LB7 with the Grizzly GA93723 Injection Line for cylinders 2 and 7. Designed as a direct replacement fuel injection line, this part helps maintain proper fuel pressure, injector sealing, and reliable common rail fuel system performance.

High-pressure injection lines are critical to precise fuel delivery between the rail and injectors. A damaged, leaking, or contaminated line can cause fuel leaks, pressure loss, rough running, hard starts, or poor drivability. The Grizzly GA93723 is built to meet or exceed OEM specifications for dependable fitment, sealing integrity, and long service life.

Warranty
Warranty based on supplier terms

Diesel Power Products directs warranty claims to the respective manufacturer; coverage and duration depend on that manufacturer and product. Its one-year manufacturer-defect warranty applies only to products manufactured by Power Products Unlimited Inc., not all products it sells. Manufacturer inspection is required; DPP does not pay inspection/return shipping or labor.

Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Diesel Power Products warranty policyView complete warranty

Product conditions

Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Professional installation is recommended.

Return eligibility
Diesel Power Products states a 30-day window from receipt for eligible new, uninstalled, unopened and complete items in original packaging, with prior approval/RMA. Custom tuners and specified opened tools are excluded. Customer pays return shipping; original outbound shipping, including initially free shipping, is deducted. No standard restocking percentage is stated for ordinary approved returns. Based on what Diesel Power Products offers.
Return window
Not stated for this product; see supplier terms
Restocking fee
See supplier terms; no product-specific fee stated
Return shipping
Based on the supplier’s return policy; see terms
Made to order
No
Backorder status
Not backordered
Cancellation
Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
Warranty provider
Diesel Power Products
Warranty duration
Product-specific duration not stated; see supplier terms
Compatibility
Listed for specific vehicle configurations
Legal use
Street legal
Processing estimate
3–7 business days supplier processing
Shipping
Shipping calculated at checkout
Signature
No signature requirement
Supplier
Diesel Power Products

Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.