NEW GT3788R Turbo Billet Wheel Chevy 6.6L Duramax LB7 766172-5001 MFS3720CSKU: MFS3720C
This is a BRAND NEW TURBOCHARGER BILLET COMPRESSOR WHEEL. This is an exact, direct fit replacement turbo compressor wheel.
NOTE: This billet compressor wheel only works for the Garrett ball bearing turbo. It will not work for IHI turbos, please check the measurements before purchasing.
Fits the following:
Part Number: MFS3720C, 3720
Interchangeable Number: 449521-0026
Description: Billet Compressor Wheel
BCCW Blade Height: 41.38 mm
BCCW Blades: 6+6
Bore Size: 7.48 mm
Cutback: 0 mm
KTS Base Exducer: 88.25 mm
KTS Inducer: 63.42 mm
KTS Tapered Tip Exducer: 93.85 mm
KTS Tip Height: 5.85 mm
Nose Diameter: 17.54 mm
Overall Height: 54 mm
SP Height Angle:
Super Back: 5.30 mm
Tapered Tip Angle: 30°
Trailing Angle: 60°
Bore Type: Threaded-M7x1.0LHT
OE or Custom Compressor House Fitment: OE
Racing or Non-Racing: Racing
STD or Custom Size: STD
Fit for Part Number:
766172-0001, 766172-5001, 766172-5001S
Fit for Turbo Model:
Fit for Turbo Type:
PowerMax, Ball Bearing
Fit for Application:
2001-04 Chevy Silverado, Truck with 6.6L Duramax LB7 Diesel Engine
2001-04 GMC Sierra with 6.6L Duramax LB7 Diesel Engine
*Important* Please use the above information to determine if the part(s) in this listing fit your vehicle. The most reliable way to make sure the model of turbo is finding the part number from the nameplate of your old turbo.
Any questions or concerns, please feel free to email or call us.
For our Warranty / Return Policy, please see our Policies at the top of the website.
Ask us about this product:
Core Rebate Offer
Although it is not required, we would like to request that you return your old assembled core back to us. We may rebate up to 10% of the purchase price depending on the condition of your core.
A return shipping label will be provided upon request. Cores must be returned within 60 days of the purchase date. Please allow up to 3 business days for us to process your refund.
Core Charge / Deposit Policy
Not all items include a Core Charge or Core Deposit Policy. Please read item description carefully to see if item includes one.
There is a core charge which has been included in the price, it means if you DO NOT have or will not send us the original part, we will not refund the core charge. You will be charged at the time of purchase, and will be fully refunded once your old re-build able core is received.
This item requires an additional refundable amount in addition to the purchase price. We cannot ship your part until the core deposit is paid. We will refund the core deposit back to you once we receive your old re-build able core.
Cores must be returned within 60 days of the purchase date. Please allow up to 3 business days for us to process your refund.
Warranty Policy for Turbocharger, Component, and Kit
Each new or remanufactured turbocharger, component, and kit is warranted to be free of manufacturer’s defects for 1 year from the date of purchase. All units returned to TurboTurbos for warranty consideration must be shipped freight prepaid. Collect shipments will not be accepted. If your warranty is approved, we will refund the cost of return shipping.
New or remanufactured OEM turbocharger, component, and kit sent in for warranty consideration often require us returning the unit back to the original manufacturer for processing. We cannot be held responsible for turnaround times in these instances. The final decision will be made by the manufacturer.
All used turbochargers come with no warranty. They are sold *AS IS* unless stated otherwise.
All turbocharger cores come with no warranty. They are sold *AS IS*. The turbocharger has to be rebuilt to function.
TurboTurbos will replace or refund at its discretion any TurboTurbos brand product that proves defective in material or workmanship under normal installation, use, and service.
Our warranty DOES NOT cover any damage or malfunction due to improper installation procedure, misuse, neglect, unauthorized disassembly or alteration, or externally induced physical damage.
Return & Exchange Policy for Turbocharger, Component, and Kit
Returning UNINSTALLED parts will be treated as a standard return and subject to a 15% restocking fee. You must also select to either replace or exchange within 30 days of purchase. Please note that the customer is responsible for the cost of return shipping.
Returning any INSTALLED parts will result in no refund, no exceptions. We will arrange to get you a replacement part if by mistake the wrong part is sent. If you feel the part has failed after installation you must send it back for warranty processing. Please contact us for further information on our warranties.
Warranty Policy for Ignition Enhancer
Each Ignition Enhancer is warranted to be free of manufacturer’s defects for 3 years from the date of purchase. Please contact us to begin a warranty claim.
- We will provide a prepaid return shipping label.
- It may take up to 3 business days after we receive your warranty return for us to inspect the item and process your exchange or refund. If for any reason your warranty is denied, we will contact you to let you know the details of the denial.
TurboTurbos will replace or refund at its discretion any product that proves defective in material or workmanship under normal installation, use, and service. Our warranty DOES NOT cover any damage or malfunction due to improper installation, misuse, unauthorized alteration, or externally induced physical damage.
Return & Exchange Policy for Ignition Enhancer
If you are not entirely satisfied with your Ignition Enhancers, we’re here to help. Just contact us within 90 days of purchase and we will give you a full refund.
- We accept returns for installed and uninstalled Enhancers. However, your return WILL NOT be accepted if there is physical damage to the Enhancer.
- Please contact us for a free return shipping label.
- It may take up to 3 business days after we receive your return for us to process your refund. Please note that processing times vary by card issuer, so it may take a few more days for you to receive the credit.
- Funds will be returned to the original form of payment.
Please contact us to begin the simple return process.
*For more details about our return or warranty policies, please feel free to contact us directly.
We accept PayPal, Visa, MasterCard, American Express, Discover, and BANK.
All orders shipped to California addresses have 7.75% tax and all other orders are tax exempt.
We ship Monday-Friday excluding major US holidays. We typically ship orders out same day if they are purchased by 2:30 pm PST, but please allow up to 2 business days for your order to be shipped.
We will update your tracking number once item is shipped. Please check your email for this information.
We use UPS as our domestic shipping method. If you would like your order shipped via USPS or FedEx, please contact us before placing your order.
Our policy is to require a signature upon delivery for any item more than $300 in value. If you are unable to sign for your order, please contact us by the time you submit your order, and we can disable that feature. Please note that you assume all responsibility for the delivery of items in these cases.
International orders are shipped via UPS and USPS. If you would like your order shipped via a different carrier, please contact us before placing your order.
Transit time does fluctuate depending on your location. International customers are responsible for all taxes, duties, or other additional fees associated with the delivery.