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ACDelco 12578203 - Engine Intake Manifold
- BrandACDelco
- ManufacturerACDelco
- MPN12578203
- FeaturesCenter Maximum Height : 11.83
Center Maximum Height : 300.5
Color : Black
FAQ - Answer 1 : Yes. Select the correct intake for your vehicle, and check your vehicle's hood clearance before selecting a high rise intake.
FAQ - Answer 2 : Yes. Tighten the intake bolts to manufacturer's specifications. See the engine service manual for torque specifications and sequence.
FAQ - Answer 3 : Yes. It could suck additional air into the cylinder, which will cause less efficient combustion.
FAQ - Answer 4 : Yes. 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 issue.
FAQ - Question 1 : Is there a difference in intake heights?
FAQ - Question 2 : Can intake bolts be overtightened?
FAQ - Question 3 : Can a leaking intake gasket cause an engine miss?
FAQ - Question 4 : Are there signs that there may be a problem with a vehicle's intake?
Features & Benefits - Bullet 1 : Evenly 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 2 : GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - Bullet 3 : Offering the quality, reliability, and durability of GM OE
Features & Benefits - Bullet 4 : Manufactured to GM OE specification for fit, form, and function
Gasket Or Seal Included : No
Good Maintenance Practices - Section 1 - Bullet 1 : Before 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 2 : Keep 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 3 : Tighten the intake bolts to the proper manufacturer's specifications, and do not overtighten.
Good Maintenance Practices - Section 1 - Bullet 4 : Refer to the engine service manual for proper torque specifications.
Good Maintenance Practices - Section 1 - Bullet 5 : Clean 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 6 : Have your vehicle inspected as soon as possible if the 'Service Engine Soon' light illuminates.
Good Maintenance Practices - Section 1 - Bullet 7 : Have 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 components.
Good Maintenance Practices - Section 1 - Bullet 8 : Do not run an overheated engine, or damage to components or gaskets could occur.
Good Maintenance Practices - Section 1 - Bullet 9 : Regularly inspect engine intake manifolds for signs of damage or wear, and replace them if signs of damage are found.
Grade Type : Regular
Length : 14.78
Length : 375.3
Material : Nylon
Mount Hole Diameter (in) : 0.305in
Mount Hole Diameter (mm) : 7.75mm
Mount Hole Quantity : 7
Product Description : ACDelco 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 are GM-recommended replacements for your vehicle's original components. These original equipment intake manifolds have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. âš WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming Required : No
Signs of Wear & Troubleshooting - Section 1 - Bullet 1 : Oil or coolant leaking at the top of the engine
Signs of Wear & Troubleshooting - Section 1 - Bullet 2 : Poor engine performance
Signs of Wear & Troubleshooting - Section 1 - Bullet 3 : Hissing or whistling sound at the intake manifold
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 : Reduced engine power
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 : Unusual odors while the engine is operating
Signs of Wear & Troubleshooting - Section 1 - Bullet 6 : Visible vapor from the engine compartment
Signs of Wear & Troubleshooting - Section 1 - Bullet 7 : Fluid level loss or coolant mixing with engine oil
Signs of Wear & Troubleshooting - Section 1 - Header : Signs of wear for engine intake manifolds include but are not limited to:
Width : 207.5
Width : 8.17 - EAN00707773784891
- Part TypeEngine Intake Manifold
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2006 | Pontiac | G6 | Base (2.4 L4 GAS) | VIN: B |
| 2007 | Pontiac | G6 | Base (2.4 L4 GAS) | VIN: B |
| 2007 | Saturn | Vue | Green Line (2.4 L4 FHEV) | VIN: Z |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.
