Full Set of LBZ Fuel Injectors for 2006-2007.5 6.6L Chevy/GMC Duramax
Full Set of LBZ Fuel Injectors for 2006-2007.5 6.6L Chevy/GMC Duramax
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📞 Questions? Call our diesel experts at 1-800-961-9290.
âś…Â Key Features:
- Complete set of 8 remanufactured LBZ injectors
- Rebuilt with new control valves and new nozzles (as needed depending on core)
- Tested for flow accuracy and performance on Maktest
- Designed for 2006–2007 Chevy & GMC 6.6L Duramax (LBZ) engines
- Includes a 1-year unlimited mileage warranty
- Compatible with all major OEM part numbers (see below)
- Core charge required up front:Â $800 (fully refundable)
- Prefer to send cores in first? Call 1-800-961-9290 to make arrangements.
Our remanufactured LBZ Duramax fuel injector set is a direct OEM replacement for 2006–2007 Chevrolet and GMC trucks equipped with the 6.6L LBZ Duramax diesel engine. Professionally rebuilt to meet or exceed OEM specifications, every injector is precision tested on a Nova Ditex EDX-611 common rail injector test stand to verify proper fuel delivery, return flow, injection performance, and overall operation before shipment.
Whether you're replacing worn 6.6L LBZ injectors, correcting injector balance rate issues, restoring lost engine performance, or performing preventative maintenance, our remanufactured injector set delivers dependable OEM-quality performance at an exceptional value. Every injector arrives ready for installation with new copper washers and external O-rings already installed.
Vehicle Fitment
Chevrolet
- 2006–2007 Silverado 2500HD
- 2006–2007 Silverado 3500HD
- 2006–2007 Express 2500
- 2006–2007 Express 3500
- 2006–2007 Kodiak
GMC
- 2006–2007 Sierra 2500HD
- 2006–2007 Sierra 3500HD
- 2006–2007 Savana 2500
- 2006–2007 Savana 3500
- 2006–2007 TopKick
🔄 OEM & Cross Reference Part Numbers
The injectors included in this replacement LBZ Duramax fuel injector set interchange with the following OEM and aftermarket part numbers:
GM
- 97361355
- 97780358
- 97780474
BOSCH
- 0986435521
- 0445120042
(Also searchable as: 6.6L, 6.6, 66, 66L, 66 L)
⚠️ Core Charge Information
Due to the limited availability of LBZ Duramax injector cores, this product requires either a refundable core deposit or your cores to be received prior to shipment.
Option 1 – Pay the Refundable Core Deposit (Most Popular)
- Pay the $800 refundable core deposit during checkout ($100 per injector).
- Your order will ship once payment has been received.
- Return your old injectors within 60 days of receiving your order.
- Your $800 core deposit will be fully refunded once your cores are received and approved.
Option 2 – Send Your Cores First
- Ship your old injectors to Diesel Care & Performance before placing your order.
- Once your cores have been received and approved, your order will be processed.
- No core deposit is required when approved cores are received before shipment.
Please Note: This product does not qualify for deferred core returns. A refundable core deposit must be paid prior to shipment, or approved cores must be received before your order can be fulfilled.
🔍 Why Choose Diesel Care & Performance?
For nearly 20 years, Diesel Care & Performance has been a trusted supplier of Duramax fuel injectors, diesel fuel systems, and OEM-quality replacement diesel components.
Each injector is individually tested before leaving our facility to ensure dependable performance, proper fuel delivery, and long-lasting reliability.
🚨 Common Signs of Failing LBZ Duramax Injectors
If your LBZ Duramax diesel injectors are beginning to fail, you may notice one or more of the following symptoms:
- Loss of engine power
- Hard starting
- Rough idle
- Injector balance rate issues
- Poor throttle response
- Excessive black smoke
- Excessive white smoke
- Increased fuel consumption
- Misfires
- Fuel knock or injector noise
- Check Engine Light
Replacing worn 6.6L LBZ Duramax fuel injectors can restore horsepower, improve throttle response, reduce excessive smoke, improve fuel economy, and return your Duramax diesel engine to reliable operation.
🛡 Warranty Information
Your injector set is backed by our:
âś… 1-Year Unlimited Mileage Warranty
Diesel Care & Performance recommends reviewing our warranty policy before installation to fully understand warranty coverage and installation requirements.
đźšš Order with Confidence
When you purchase from Diesel Care & Performance, you're buying from a company with nearly 20 years of diesel fuel system experience. Every LBZ Duramax fuel injector is professionally remanufactured, individually tested, and carefully packaged to provide dependable performance from the moment it arrives.
Whether you're replacing all eight injectors as preventative maintenance, correcting injector balance rate issues, or restoring lost engine performance, you can purchase with confidence knowing your injector set is backed by our 1-Year Unlimited Mileage Warranty.
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Frequently Asked Questions
Core Information
How Do I return my core?
Before shipping your core, please fully drain all oil, fuel, and other automotive fluids from the component and securely package the core to prevent shipping damage or leakage during transit. Be sure to include your order number or return documentation inside the package to help avoid processing delays. All cores must be returned and addressed to:
Diesel Care and Performance
3901 Thomas Street
Memphis TN 38127
When will I receive my refund?
Once your core is delivered to our facility, please allow 7 days for core check-in and inspection. If your core is approved, an additional 7-12 days are required for the refund to be processed back to your original payment method.
Where can I find the core charge amount?
Core charges are listed on the original product listing and/or during checkout prior to purchase.
How long do I have to return my core?
Most deferred cores must be returned within 35 days from the original shipment date.
Can I still return my core if I’ve already
been charged?
Deferred cores may still be returned after the core charge has been collected, but any late fees incurred are non-refundable and will be deducted from the issued refund. No core returns or credits will be accepted more than 90 days from the original order delivery date, regardless of payment status, core arrangement, or late fee collection. Contact our customer service team to see if your core still has eligibility.
Can I send my core before ordering?
Yes. Please contact customer service before shipment so we can coordinate inspection and processing.
What happens if my core is damaged?
Damaged, incomplete, modified, or non-rebuildable cores may receive reduced credit or no credit at all depending on inspection results.
Who pays for return shipping?
Customers are generally responsible for return shipping costs unless otherwise stated in writing.
For more information regarding our core policy, please click here.
Need More Help?
If you have questions regarding core returns, refunds, core pricing, or other core-related concerns, please contact our customer service team before purchasing or returning any product.
Diesel Care and Performance
3901 Thomas Street
Memphis, TN 38127
1-800-961-9290
Warranty
Diesel Care and Performance offers products with various warranty coverage. Our 3 main warranty options are Refurbished, Standard, and Premium. The warranty terms and conditions of each warranty option are the same, varying only in length of coverage. High performance products will not carry a warranty of any kind. All specific warranty coverage options are listed in the product description. For more information, please click here..
REFURBISHED
- 90-Day Warranty Coverage
STANDARD
- 1 Year Warranty Coverage
PREMIUM
- 2 Year Warranty Coverage
Installation of our products constitutes your agreement with the following warranty disclaimer. Please do not install our products until you have read, understand and agree to the following warranty policy.Â
WARRANTY TERMS
Diesel Care and Performance Inc. hereafter mentioned as DCP, issues the following warranty on all DCP product. This warranty is extended to the original purchaser of the product only, unless approved of in writing by DCP. Our product is warranted to be free from defects in material or workmanship under normal use and service, for a period of one year from the original purchase date. The obligation of DCP under this warranty is limited to the repair or exchange of the defective unit. Either repair of unit or replacement of the unit shall be at the sole discretion of DCP. If an exchange unit is provided, the old, defective unit must be returned within 15 days of the failure date to be considered for warranty. DCP warranty agreement is limited to one year from product purchase, unless otherwise stated at time of purchase of premium (2 year) or extended warranty terms.
WARRANTY DISCLAIMERS
This limited warranty is in lieu of all other warranties, either expressed or implied. All obligations or liabilities of DCP are expressly disclaimed, including claims for REMOVAL AND REINSTALLATION expenses, liability of consequential damages, down time, loss of revenue, or any other inconvenience cost. Our product is intended to be installed by the purchaser of DCP product. Any damage or defect caused by a third-party installer is the sole responsibility of the original purchaser of the product. In addition, DCP is not responsible for any R & R expenses, liability of consequential damages, down time, loss of revenue, or any other inconvenience cost relative to third party installers of our product. Any product that is not installed according to the manufacturer’s guidelines is not covered under any warranty by DCP. DCP assumes no liability or responsibility for pump failure that are the result of the use of fuels and/or additives not approved by the original manufacturer of the engine and/or vehicle. This warranty does not apply to any part or unit that has been altered or repaired by anyone other than DCP. Nor, to any product which has been subject to misuse, abuse, neglect, accident, improper installation, or damage from foreign material such as water or dirt. This warranty will only be honored at the facilities of DCP.
Refunds
Refund Summary:
- Diesel Care and Performance will only refund the full product amount if product is return within 30 days of the delivery date and is uninstalled. Shipping cost will not be refunded under any circumstance.
- If your product is already installed, or falls outside our 30-day window, Diesel Care and Performance reserves the right and discretion to impose a 20% restocking fee of the product value. If a product is returned after 90 days from the order date, Diesel Care and Performance reserves the right to impose a 40% restocking fee.
- Diesel Care and Performance will not allow any product to be returned for credit for orders older than 6 months, regardless of circumstance. Again, no credit will be issued on any order older than 6 months.
This is a summary of our complete refund policy. For a complete copy of our Refund Policy, please click here.