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Intake Manifold Assembly
Authorized Dealer
Intake Manifold Assembly
BrandACDelcoLearn More
Qty/Vehicle1
ConditionNew
Includes: (1) Engine Intake Manifold, Hardware
$000
•In Stock•Fast Shipping1
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Product Specifications
Features & Benefits
- •Direct OE fit - no modifications needed
- •Meets or exceeds manufacturer specs
- •24-month warranty included
- •Fast Shipping — ships same day before 3 PM ET
BrandACDelco
Part Number12648978
Part TypeEngine Intake Manifold
ConditionNew
Gasket Or Seal IncludedNo
Grade TypeRegular
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Frequently Asked Questions
We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.
What vehicles does this Engine Intake Manifold fit?
This ACDelco Engine Intake Manifold (Part #12648978) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Engine Intake Manifold by ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This ACDelco Engine Intake Manifold is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Product Specifications
Brand
ACDelco
Part Type
Engine Intake Manifold
Grade Type
Regular
Material
Aluminum
Part Number
12648978
Gasket Or Seal Included
No
Length
13.66 IN
Mount Hole Diameter (In)
0.315in
Gasket Or Seal IncludedNo
Grade TypeRegular
Length13.66 IN
MaterialAluminum
Mount Hole Diameter (In)0.315in
Mount Hole Diameter (Mm)8mm
Mounting Hole Diameter0.31 IN
Single Or Dual Plane TypeDual Plane
Center Maximum Height12.26 IN
Cnc PortedYes
ColorGray
Faq - Answer 1Yes. Select the correct intake for your vehicle, and check your vehicle's hood clearance before selecting a high rise intake.
Faq - Answer 2Yes. Tighten the intake bolts to manufacturer's specifications. See the engine service manual for torque specifications and sequence.
Faq - Answer 3Yes. It could suck additional air into the cylinder, which will cause less efficient combustion.
Faq - Answer 4Yes. Reduced engine power and abnormal sounds or vibrations are signs that there may be a problem with a vehicle's intake. Engine oil and/or coolant leaks/consumption can also be signs of an intake is
Faq - Question 1Is there a difference in intake heights?
Faq - Question 2Can intake bolts be overtightened?
Faq - Question 3Can a leaking intake gasket cause an engine miss?
Faq - Question 4Are there signs that there may be a problem with a vehicle's intake?
Features Benefits - Bullet 1Evenly distributes the combustion mixture (or just air in a direct injection system) to each intake port in the cylinder head for proper function
Features Benefits - Bullet 2GM-recommended replacement part for your GM vehicle's original factory component
Features Benefits - Bullet 3Offering the quality, reliability, and durability of GM OE
Features Benefits - Bullet 4Manufactured to GM OE specification for fit, form, and function
Good Maintenance Practices - Section 1 - Bullet 1Before purchasing and installing an engine intake manifold, make sure it is the correct size and fit for your vehicle.
Good Maintenance Practices - Section 1 - Bullet 2Keep the air duct assembly clean and properly sealed and the engine air filter clean or changed at every oil change, or more frequently if the vehicle is operated in dusty environments.
Good Maintenance Practices - Section 1 - Bullet 3Tighten the intake bolts to the proper manufacturer's specifications, and do not overtighten.
Good Maintenance Practices - Section 1 - Bullet 4Refer to the engine service manual for proper torque specifications.
Good Maintenance Practices - Section 1 - Bullet 5Clean the engine's exterior as needed - buildup of oil and dirt can cause the engine to run hot or hide leaks.
Good Maintenance Practices - Section 1 - Bullet 6Have your vehicle inspected as soon as possible if the 'Service Engine Soon' light illuminates.
Good Maintenance Practices - Section 1 - Bullet 7Have your vehicle inspected immediately if the 'Service Engine Soon' light flashes rapidly, as this could indicate an engine misfire condition which may damage your engine and/or engine emission compo
Good Maintenance Practices - Section 1 - Bullet 8Do not run an overheated engine, or damage to components or gaskets could occur.
Good Maintenance Practices - Section 1 - Bullet 9Regularly inspect engine intake manifolds for signs of damage or wear, and replace them if signs of damage are found.
Height (In)0.2 in
Mount Hole Quantity8
Mounting Hole Quantity8
Product DescriptionACDelco GM Original Equipment Engine Intake Manifolds evenly distribute the incoming engine air to each of the cylinders, ensuring the proper amount of air mixes with the proper amount of fuel, and ar
Programming RequiredNo
Signs Of Wear Troubleshooting - Section 1 - Bullet 1Oil or coolant leaking at the top of the engine
Signs Of Wear Troubleshooting - Section 1 - Bullet 2Poor engine performance
Signs Of Wear Troubleshooting - Section 1 - Bullet 3Hissing or whistling sound at the intake manifold
Signs Of Wear Troubleshooting - Section 1 - Bullet 4Reduced engine power
Signs Of Wear Troubleshooting - Section 1 - Bullet 5Unusual odors while the engine is operating
Signs Of Wear Troubleshooting - Section 1 - Bullet 6Visible vapor from the engine compartment
Signs Of Wear Troubleshooting - Section 1 - Bullet 7Fluid level loss or coolant mixing with engine oil
Signs Of Wear Troubleshooting - Section 1 - HeaderSigns of wear for engine intake manifolds include but are not limited to:
Volume (Cu In)806.49cu in
Weight (Lb)0.02 lb
Width4.96 IN
Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more
Main Image
Click to expand
Intake Manifold Assembly
Authorized Dealer
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Part #:12648978
OE REPLACEMENT
Intake Manifold Assembly
|
Part #:12648978
|
Engine Intake Manifold
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Quantity:
1
In Stock·10 or more available
Fast delivery between Mon, Jun 22 to Mon, Jun 22
Ships To:Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Fast Same Day ShippingWe ship all orders the same business day before cutoff
Product Specs
BrandACDelco
Part Number12648978
Part TypeEngine Intake Manifold
ConditionNew
Gasket Or Seal IncludedNo
Grade TypeRegular
Length13.66 IN
MaterialAluminum
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Questions & Answers
This ACDelco Engine Intake Manifold (Part #12648978) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
This is a premium aftermarket Engine Intake Manifold by ACDelco, designed to meet or exceed OEM specifications with strict quality control standards.
This ACDelco Engine Intake Manifold is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Have a Question?
Ask Marvin, our Car Expert
Offline
Things to Know
About This Engine Intake Manifold
This ACDelco automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
ACDelco
Trusted Automotive Brand
ACDelco is a trusted manufacturer of quality automotive parts.
View all ACDelco productsInstallation Guide
Moderate
1-3 hours
Tools Needed
Basic hand toolsTorque wrenchVehicle service manual
Frequently Asked Questions
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts