GMC 99KXJN Idle Control Valve P3500 7.4L V8

( Part Type: Control Valve ), ( Manufacturer Part Number: 99KXJN ), ( Engine: 7.4l V8 ), ( Compatible Make/model: Gmc P3500 ), ( Compatible Years: 1990 1991 1992 1993 1994 1995 90 91 92 93 94 95 ), ( Fitment Info: Fuel Injection Idle Air Control Valve 7.4l V8; Fuel Injecti. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review GMC Replacement Idle Control Valve 7.4l V8 fits 1990–1995

The 99KXJN Idle Control Valve, manufactured by Delphi, is specifically designed for use in GMC vehicles with the 7.4L V8 engine produced between 1990 and 1995. This particular model carries the P3500 identifier.

This idle control valve is a crucial component of your engine's fuel system, responsible for maintaining the engine's idling speed. It works in conjunction with the engine control module (ECM) to regulate fuel delivery to the engine, ensuring a consistent and stable idle.

The 99KXJN valve is constructed from high-quality materials designed to withstand the rigors of daily driving. It features a durable, corrosion-resistant body that is resilient against the harsh conditions often encountered in automotive applications. The interior components, including the diaphragm and various seals, are designed for longevity and reliability.

This idle control valve is designed to meet or exceed OEM specifications for fit, function, and performance. Installing a genuine Delphi 99KXJN valve in your GMC vehicle ensures that you're using a part that has been tested and validated to work optimally within your vehicle's specific system.

When it comes to replacing an idle control valve, it's essential to use a genuine OEM part like the 99KXJN. Aftermarket or generic parts may not provide the same fit, function, or longevity as a genuine OEM component. By choosing a Delphi 99KXJN idle control valve, you can trust that you're receiving a high-quality part that will help keep your engine running smoothly and efficiently.

In conclusion, the 99KXJN Idle Control Valve by Delphi is an essential component for maintaining the proper idling speed in your GMC vehicle with a 7.4L V8 engine from 1990 to 1995. Its durable design, reliable performance, and OEM fit make it an excellent choice for those seeking top-notch replacement parts.

Buying a new idle control valve (PCV) for a 1990-1995 GMC 7.4L V8 with a P3500 code can help resolve issues related to rough idling and stalling. Let's examine the potential pros and cons of purchasing a new PCV:

1. Improved engine performance: A faulty idle control valve can cause poor engine performance, including rough idling and stalling. Replacing the PCV with a new one can help restore the engine's smooth operation.

2. Longer engine life: By addressing the issue with the PCV, you can help prevent further damage to the engine.

3. Better fuel efficiency: A properly functioning idle control valve can help optimize the engine's fuel consumption, potentially leading to better fuel efficiency.

1. Cost: The cost of a new PCV can vary, but it's typically not an inexpensive repair. You should consider the cost of the part and the labor costs for installation.

2. Installation complexity: Installing a new idle control valve can be a complex process, especially if you're not experienced in automotive repairs. You may need to remove various components to access the valve, which can add to the time and cost of the repair.

3. Potential for additional repairs: If the PCV is failing, there may be other related issues that need to be addressed, such as fuel system problems or vacuum leaks. These additional repairs can add to the overall cost and complexity of the project.

Replacing a faulty idle control valve on a 1990-1995 GMC 7.4L V8 can provide several benefits, including improved engine performance, longer engine life, and potentially better fuel efficiency. However, the cost and complexity of the repair should be carefully considered before making a decision. If you're comfortable with the repair process or have access to a qualified mechanic, replacing the PCV may be a worthwhile investment. If you're unsure or have concerns about the repair, it may be wise to consult with a professional mechanic for their advice. Ultimately, the decision to replace the idle control valve should be based on the specific circumstances of your vehicle and your personal priorities and budget.

part # 99kxjn prices

• $79.99-$137.75

specifications injectiopug:

• for makes: Gmc
• for years: 1990-1995
• part type: Control Valve
• manufacturer part number: 99KXJN
• engine: 7.4l V8
• compatible make/model: Gmc P3500
• compatible years: 1990 1991 1992 1993 1994 1995 90 91 92 93 94 95
• fitment info: Fuel Injection Idle Air Control Valve 7.4l V8; Fuel Injecti.
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

payments injectiopug:

• credit card: Visa
• other
• wallet: Paypal

returns injectiopug:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller injectiopug:

• # reviews: 23558
• rating: 99.2%

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

offer injectiopug:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 30, 2026
• availability: In Stock

shipping injectiopug:

• type: Fixed
• transit: 3-8 Days
• class: Economy
• cost: $0.00
• service: Economy

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