Engine Intake Manifold Tuning Valve - GM (12598658)
Genuine OEM GM Parts & Accessories - 12598658
Engine Intake Manifold Tuning Valve - GM (12598658)
Genuine OEM GM Parts & Accessories - 12598658
- GM
- 12598658
- 12580489
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Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 12598658
- 12580489
Details
- Brand:
- SKU:
12598658
- Other Names:
Tuning Valve
- Description: GM Genuine Parts Engine Intake Manifold Tuning Valve (Part Number: 12598658) is an intake manifold tuning valve that adjusts airflow characteristics for the engine across varied operating conditions.
- Function: Modifies intake manifold runner geometry or flow to optimize torque and power across the RPM range.
- Application: OE replacement for specified Impala and Monte Carlo 3.9L and similar engines per OE notes.
- Benefit: Restores proper engine breathing characteristics for expected performance and drivability.
- Quality: GM Genuine Part designed and tested to meet OE performance requirements.
World Parts Direct is an American corporation offering competitive prices, a compatibility guarantee, and OEM-backed warranty support—our specialists can advise on replacements.
- Condition: New
- Replaces:
12580489
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GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Engine Intake Manifold Tuning Valve for your 2006-2008 vehicle. GM Parts & Accessories Limited Warranty.
