For 2001-2010 Chevy Silverado GMC Sierra 6.6L Duramax Transmission Adapter PlatePRODUCT DESCRIPTION
Transmission Adapter Plate – Durable Replacement Part
Keep your truck running smoothly with this aftermarket transmission adapter plate, designed for select Chevrolet Silverado and GMC Sierra HD models equipped with 6.6L Duramax diesel engines. Built for a reliable fit, it helps connect compatible transmission and engine components.
KEY FEATURES
Reliable Fit: Designed for selected 6.6L Duramax applications.
Durable Construction: Made for demanding truck operating conditions.
Direct Replacement: Helps replace a damaged or worn adapter plate.
Easy Fitment Check: Verify your original part number before ordering.
OE / PART NUMBERS
8973177116, 8973177115
COMPATIBLE VEHICLES
Compatible Engines:
6.6L Duramax V8 LB7
6.6L Duramax V8 LLY
6.6L Duramax V8 LBZ
6.6L Duramax V8 LMM
Fitment may vary by model year, transmission type, and engine configuration. Please confirm your OE number and original part before purchase.
PACKAGE INCLUDES
- 1 × Transmission Adapter Plate
WARRANTY & SHIPPING
INSTALLATION NOTES
Professional installation is recommended.
Compare mounting points and dimensions with your original part.
Send us your VIN or OE number for a compatibility check if needed.
Note: This is an aftermarket replacement part, not a genuine GM OEM part. OE numbers are provided for reference and compatibility identification.
PaymentDelivery detailsWarrantyReturnContact usPaymentWe accept the following types of payments through PayPal: Visa, MasterCard, American Express and Discover Card.Delivery details90% orders are shipped out via UPS, only a few orders will be shipped out by FedEx and USPS, so please provide a physical address for your order, or our CS will contact you if the address is a PO Box.Due to the large amount of orders, the carrier may not update the tracking status in time, but our customer service will check the status every day, andwe willcontact the carrier in time if there is any abnormal situation.WarrantyAll of ourauto parts come with a 30-day return policyand 1 year warranty. We ensure all our items are new and in excellent condition prior to shipping. In the event that you receive the item that is not to the standards above, please contact us via messages.ReturnAll returns must be in new original condition, and buyers should pay the return shipping fee for NON-seller mistake returns. Unauthorized returns will not be accepted.Used items will not be accepted for return.Contact usShould you need any assistance, please don’t hesitate to contact us; some questions we will check with the relevant department and replywithin 24 Adapter PlateManufacturer Part Number8973177116, 8973177115OE/OEM Part Number8973177116, 8973177115Interchange Part Number8973177116, 8973177115Items Included1 × Transmission Adapter PlateManufacturer Warranty1 YearSuperseded Part NumberFor Chevrolet Silverado 2500HD / 3500HD (2001–2010), For GMC Sierra 2500HD / 3500HD (2001–2010)Compatible Engines 16.6L Duramax V8 LB7Compatible Engines 26.6L Duramax V8 LLYCompatible Engines 36.6L Duramax V8 LBZCompatible Engines 46.6L Duramax V8 LMM
On Oct 10, 2026 at 01:25:17 PDT, seller added the following information:
