Air and Fuel› Intake Manifolds and Components

AC Delco

Lower Intake Manifold, 6-Hole, 10mm

$588.47

SKU: 12611155

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AC Delco 12611155 is a lower intake manifold designed as an OEM replacement part. It is constructed from aluminum and features 6 mounting holes with a 10mm diameter. This part is CNC ported.

This intake manifold is designed for the 2014-2020 Chevrolet Impala with the 3.6L V6 LFX VIN 3 engine. It is also compatible with various other Chevrolet, Buick, and GMC vehicles, including the 2012 Chevrolet Captiva Sport and Caprice PPV, and the 2024 Buick Enclave.
Show original supplier description
The AC Delco 12611155 is a genuine GM part, also appearing as ACDelco GM Original Equipment (OE), designed as a direct replacement for the lower intake manifold. This component is engineered and tested to rigorous General Motors standards, ensuring it meets the specific requirements of your vehicle. Constructed from durable aluminum, this intake manifold is CNC ported for improved airflow. It features six mounting holes with a 10mm diameter, designed for precise installation. As an OEM part, it guarantees the same fit, form, and function as the original component. This intake manifold is specifically designed for the 2014-2020 Chevrolet Impala models equipped with the 3.6L V6 LFX VIN 3 engine. Additionally, it fits other GM vehicles, including the 2012 Chevrolet Captiva Sport (LT, LTZ) and Chevrolet Caprice PPV, both with the 3.6L V6 Flex engine. It is also compatible with the 2024 Buick Enclave (Avenir, Essence, Premium) with the 3.6L V6 Gas engine. GM Genuine Parts are designed and validated by GM Engineers specifically for Chevrolet, Buick, GMC, or Cadillac vehicles, providing a reliable repair without compromising performance.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandAC Delco
Part Number12611155
CategoryAir and Fuel
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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