This GM 12678312 Fuel Injection Throttle Body fits various engine sizes including 4.8L, 5.3L, 6.0L, and 6.2L. Designed to control the amount of air entering the engine, this part is essential for optimal engine performance. It is compatible with a range of vehicles such as the Chevrolet Silverado, Chevrolet Corvette, Chevrolet Avalanche, and Chevrolet Suburban. Contributing to the vehicle's fuel efficiency and engine power, this throttle body is designed for durability and precision.
Fitment and application information provided on a best-effort basis. Customer is ultimately responsible for determining fitment.
new style (mirrors mount on door skin); ID 12678312
SIERRA 1500 PICKUP ID 12678312
2020-2021
6.2L
ID 12678312
SIERRA 2500 PICKUP
2020
diesel
SIERRA 2500 PICKUP
2021
throttle valve assembly; diesel
SIERRA 3500 PICKUP
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throttle valve assembly; diesel
SIERRA DENALI 1500
2019-2021
6.2L
throttle valve assembly; ID 12678312
SIERRA DENALI 2500
2020
diesel
SIERRA DENALI 2500
2021
throttle valve assembly; diesel
SIERRA DENALI 3500
2020-2021
throttle valve assembly; diesel
SILVERADO 1500 PICKUP
2019
6.2L
new style (mirrors mount on door skin); ID 12678312
SILVERADO 1500 PICKUP ID 12678312
2020-2021
6.2L
ID 12678312
SILVERADO 2500 PICKUP
2020
6.6L
throttle valve assembly; diesel
SILVERADO 3500 PICKUP
2020
6.6L
throttle valve assembly; diesel
SUBURBAN 1500 ID 12678312
2021
6.2L
ID 12678312
TAHOE ID 12678312
2021-2022
6.2L
ID 12678312
YUKON ID 12678312
2021
6.2L
ID 12678312
YUKON XL 1500 ID 12678312
2021
6.2L
ID 12678312
All parts industrially cleaned and inspected for cracks and damage before shipping
Part Number: 12678312
Manufacturer: GM
Weight: 3.0000 lbs
Additional Details:
Genuine OEM Parts
Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.
Shipping:
If shipping outside the contiguous 48 states is required, reach out to shopify@custardcore.com to confirm shipping details.
About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!
I can not express my gratitude to both gentlemen I dealt with at Custard Core Supply. Their customer service was outstanding. I eagerly anticipated my order arriving, and when it did, my high expectations were more than lived up to.
The product was packaged carefully, and it was so clean that it looked brand new. Wow !
I noticed this company is on ebay. Normally, I am very leery of ordering anything on eBay because there are so many fakes and imitations. Custard Core Supply is one company that I would order from on eBay in a heartbeat - without hesitation.
I hope to make another order very soon. Thanks again gentlemen.
got a crankshaft and it was exactly as described great packaging i will absolutely purchase again…..also the customer support was spot on 5stars for me
I've tried getting in touch with these people for over 3-4 weeks over a purchase that was cancelled before it shipped they shipped it anyways ok not a big deal try to get in touch no answered emails call all they say is email the email address on our page was just looking to ship this back and get a full return seeings it was canceled before it shipped !!! This is ridiculous
