Is it 95mm straight or does it bevel down to 87mm?

The entrance is a little larger ID than 95mm but the exit is 95mm. You will need an adapter to make this work on an l86/lt1 if that’s your intention.

Will this fit a 2013 Chevy with a 6.0l 2500HD

No it’s for later models 2014-2018 lt1/LT4 or L86 . Will have to have adapter plate to fit

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Description

⚡ Unlock your GM’s true potential with genuine precision!

BUILT TO LAST - Crafted from robust aluminum for superior durability and long-term reliability.
SEAMLESS INTEGRATION - Vehicle-specific fit with threaded inlet/outlet connections for hassle-free installation.
PRECISION FUEL CONTROL - Throttle body expertly manages air and fuel flow for peak engine performance.
ENGINEERED FOR PERFECTION - GM-recommended replacement ensures flawless fit, form, and function for your GM vehicle.
CERTIFIED QUALITY ASSURANCE - Backed by GM OE standards and rigorous testing for guaranteed authenticity.

The ACDelco GM Genuine Parts 12669871 Fuel Injection Throttle Body is a GM OE-spec replacement part designed for exact fit and reliable performance. Made from durable aluminum, it controls air and fuel intake to optimize engine efficiency. This vehicle-specific throttle body requires professional programming for seamless integration and is backed by GM’s rigorous quality standards.

Specifications

Brand	GM Parts
Fit Type	Vehicle Specific Fit
Vehicle Service Type	Car
Item dimensions L x W x H	7 x 11 x 5 inches
Item Weight	2.78 Pounds
Specification Met	OE
Auto Part Position	Inside
Outlet Connection Size	3 Inches
Inlet Connection Size	3 Inches
Outlet Connection Type	Threaded
Body Material	Aluminum
Inlet Connection Type	Threaded
Gas Type	Gasoline
Mounting Type	Flange Mount
Product Grade	Replacement Part
Global Trade Identification Number	00808709757658
OEM Part Number	12669871
Manufacturer	ACDelco
UPC	808709757658
Model	12669871
Item Weight	2.78 pounds
Product Dimensions	7 x 11 x 5 inches
Item model number	12669871
Exterior	Painted
Manufacturer Part Number	12669871

Reviews

H**4

Awesome

Runs like champion

30.05.2025

S**Z

Easiest upgrade for my 2017 GMC Sierra 1500

Got more top end power and the install was super easy!

7.04.2022

J**N

Used throttle body

I got it package looked sealed and it was used it looked all oxidized

1.06.2025

O**G

good

10.08.2021

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