PONTIAC 5074080 Fiero Cruise Control Unit 2.8 L. Unit.

( Type: Cruise Control Unit ), ( Manufacturer Part Number: 5074080 ), ( Universal Fitment: No ), ( Vintage Part: Yes )

Review PONTIAC Fiero 2.8 L. Cruise Control Unit. Used fits GT 1985–1988

The Pontiac 5074080 Cruise Control Unit is a crucial component for enhancing the driving experience in certain Pontiac Fiero models from 1985 to 1987, specifically those equipped with the 2.8 GT engine. This unit is designed to automatically maintain a constant vehicle speed, making long journeys more comfortable and less tiring for the driver.

The Pontiac 5074080 Cruise Control Unit is a sophisticated electronic device that uses a vacuum system to control the vehicle's speed. It consists of several components, including a vacuum pump, a speed sensor, a control module, a switch assembly, and various wiring harnesses. The vacuum pump is responsible for generating the vacuum required to engage and disengage the cruise control. The speed sensor continuously measures the vehicle's speed and sends this information to the control module, which then adjusts the throttle position to maintain the set speed.

The switch assembly on the Pontiac 5074080 Cruise Control Unit is mounted on the steering column and allows the driver to set and activate the cruise control. It features buttons for setting the desired speed, resuming the previous speed after a stop, and accelerating or decelerating the vehicle to maintain the set speed when going up or downhill.

This Pontiac cruise control unit is known for its durability and reliability, but like any mechanical component, it can wear out over time or malfunction due to various reasons. Common issues include vacuum leaks, faulty speed sensors, and problems with the wiring harnesses. If you experience any issues with your cruise control unit, it's recommended to have it inspected by a qualified mechanic or technician to ensure safe and proper operation.

Installing a new Pontiac 5074080 Cruise Control Unit involves removing the old unit, wiring harnesses, and vacuum lines, and replacing them with the new components. This process requires some mechanical knowledge and experience, and it's recommended to consult the vehicle's service manual or seek assistance from a professional if you're not confident in performing the installation yourself.

In summary, the Pontiac 5074080 Cruise Control Unit is a valuable addition to your Pontiac Fiero 2.8 GT, providing a more comfortable and convenient driving experience. It consists of several components, including a vacuum pump, a speed sensor, a control module, a switch assembly, and various wiring harnesses, all working together to maintain a constant vehicle speed. If you experience any issues with your cruise control unit, it's important to have it inspected and repaired by a qualified technician to ensure safe and proper operation.

Buying a Pontiac 5074080 cruise control unit for your 1985, 1986, or 1987 Fiero 2.8 GT involves weighing several pros and cons. Here's a list of potential advantages and disadvantages:

1. Convenience: Cruise control makes long drives more comfortable by maintaining a consistent speed, reducing driver fatigue.

2. Improved Fuel Economy: By maintaining a steady speed, cruise control can help improve fuel economy.

3. Enhanced Safety: Cruise control can help maintain a safe distance from the vehicle in front of you, reducing the likelihood of rear-end collisions.

1. Cost: OEM cruise control units, such as the Pontiac 5074080, can be expensive, especially when considering the cost of installation and any necessary repairs or replacements.

2. Complexity: Cruise control systems can be complex, and diagnosing and repairing issues can be time-consuming and costly.

3. Compatibility: Make sure the cruise control unit is compatible with your specific vehicle model and year before purchasing.

Deciding to buy a Pontiac 5074080 cruise control unit for your Fiero 2.8 GT depends on your priorities and budget. If you frequently take long drives and value convenience and fuel economy, a cruise control system may be a worthwhile investment. However, if cost is a concern or you're not confident in your ability to diagnose and repair potential issues, it might be best to consider alternative options.

If you decide to proceed with purchasing and installing a cruise control unit, ensure you obtain a reliable and compatible unit from a trusted source. Additionally, consider seeking professional installation and maintaining regular maintenance to minimize the risk of issues and potential repair costs.

Details:

Actual item remember this NOT the cruise control but vacuum. 85 86 87 88 PONTIAC FIERO 2.5 L.

part #: 5074080 price

• $49.95

specifications cruisecompo:

• for models: Gt
• for makes: Pontiac
• for years: 1985-1988
• type: Cruise Control Unit
• manufacturer part number: 5074080
• universal fitment: No
• vintage part: Yes

general cruisecompo:

• condition: Used
• Car Truck Parts Accessories > Advanced Driver Assistance Systems > Cruise Control Components

seller cruisecompo:

• rating: 99.7%
• # reviews: 5938
• city: Sun Valley, California

offer cruisecompo:

• quantity: 1
• sold: 0
• availability: In Stock
• started: January 12, 2026
• options: Ship-to-home

returns cruisecompo:

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

shipping cruisecompo:

• cost: $0.00
• service: Standard
• type: Fixed
• transit: 3-9 Days
• class: Standard

payments cruisecompo:

• other
• wallet: Apple-pay
• credit card: Diners-club

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