1. ECUs & Computer Modules Deals
  2. sku: 14735313673863853
  3. MAZDA X4T35471

MAZDA X4T35471 Cruise Control Module Relay 89-91 RX7 FC01A

fits make: Mazda.

X4t35471 Mazda 89-91 Rx7 Cruise Control Fc01a Module Computer Relay

( Part Type: Cruise Control Module ), ( Protection Lock: No ), ( Conditions Options: Cruise Control, Lh Kick Panel, W/o ), ( Manufacturer Part Number: X4T35471 ), ( Terminal Type: Pin ), ( Genuine Oem: Yes ), ( Placement On Vehicle: Front ), ( Manufacturer Warranty: 3 Months ), ( Features: Easy Installation )

Review MAZDA 89-91 Rx7 Cruise Control Module Computer Relay

The Mazda RX7 (models 89-91) Cruise Control FC01A Module Relay is an essential component for maintaining the smooth operation of the vehicle's cruise control system. This relay is specifically designed for Mazda RX7 models during the 89-91 production period, making it a valuable addition for those seeking to restore or upgrade their classic cars.

The FC01A Module Relay is a compact yet robust electronic device, housing several relays that control various functions of the cruise control system. These functions include the fan control for engine temperature stabilization during cruise control operation and the vacuum control for engine idle during cruise control use.

The relay is engineered to meet the demanding specifications of high-performance automobiles like the Mazda RX7, ensuring reliable and consistent operation. It features gold-plated terminals for corrosion resistance and improved electrical contact, ensuring a long service life.

The FC01A Module Relay is a direct replacement for the original part, making installation a straightforward process for DIY enthusiasts and professional mechanics alike. Its compact design allows for easy installation in the engine bay or under the dashboard of the vehicle.

When the cruise control system is engaged, the FC01A Module Relay receives power from the vehicle's electrical system and activates the corresponding relays to control the fan and vacuum systems as needed. This enables the engine to maintain optimal temperature and idle smoothly, providing a more comfortable driving experience and improved fuel efficiency during long-distance cruises.

This Mazda RX7 Cruise Control FC01A Module Relay is a must-have for any Mazda RX7 enthusiast looking to restore or upgrade their vehicle. Its high-quality construction, reliable performance, and easy installation make it an essential component for maintaining the vehicle's cruise control system in top condition.

Pros and Cons of Buying Mazda RX7 (FC01A) Cruise Control Module Relay (Mazda X4T35471)

The Mazda RX7 FC01A cruise control module relay (Mazda X4T35471) is a critical component for the proper functioning of the cruise control system in certain Mazda RX7 models. If you're considering purchasing this part, here are some pros and cons to help you make an informed decision.

Pros:

1. Improved Convenience: Having a functional cruise control system makes driving more comfortable, especially during long trips. This part is essential for maintaining a consistent speed and reducing driver fatigue.

2. Potential Cost Savings: By fixing the cruise control system yourself, you can save money compared to paying for professional repair services.

3. Enhanced Vehicle Value: A properly functioning cruise control system can add value to your vehicle, making it more appealing to potential buyers if you plan to sell it in the future.

Cons:

1. Compatibility: Ensure that this Mazda X4T35471 relay is compatible with your specific RX7 model and year before making a purchase.

2. DIY Installation: Installing the relay yourself may require some technical knowledge and tools. If you're not comfortable with this, it might be best to consult a professional.

3. Potential Additional Costs: Depending on the condition of other related components, you might incur additional costs beyond just the price of the relay.

Conclusion:

The Mazda RX7 FC01A cruise control module relay (Mazda X4T35471) can bring increased convenience, potential cost savings, and added vehicle value for those willing to invest the time and effort into the installation process. However, it's essential to consider the compatibility, installation complexity, and potential additional costs before making a purchase.

Recommendation:

If you're confident in your ability to install the relay yourself and have verified its compatibility with your RX7 model, purchasing the Mazda X4T35471 relay can be a worthwhile investment for improving your driving experience and potentially saving money on professional repair services. However, if you're unsure about your installation abilities or have concerns regarding compatibility, it might be best to consult a professional mechanic for advice and assistance.

Details:

part #: x4t35471 prices

  • $10.00-$44.99

specifications ecusrush:

  • for makes: Mazda
  • part type: Cruise Control Module
  • protection lock: No
  • conditions options: Cruise Control, Lh Kick Panel, W/o
  • manufacturer part number: X4T35471
  • terminal type: Pin
  • genuine oem: Yes
  • placement on vehicle: Front
  • manufacturer warranty: 3 Months
  • features: Easy Installation

shipping ecusrush:

  • service: USPS Ground Advantage
  • cost: $7.46
  • transit: 4-8 Days
  • type: Calculated
  • class: Standard
  • carrier: USPS

payments ecusrush:

  • credit card: Visa
  • other
  • wallet: Google-pay

returns ecusrush:

  • policy: No Returns

offer ecusrush:

  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: March 23, 2026
  • best offers: True
  • options: Ship-to-home

seller ecusrush:

  • # reviews: 6
  • city: Lakewood, Washington
  • rating: 100.0%

general ecusrush:

  • condition: Used
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
for makes: mazda, part type: cruise control module, protection lock: no, conditions options: cruise control, lh kick panel, w/o, terminal type: pin, genuine oem: yes, placement on vehicle: front, manufacturer warranty: 3 months, features: easy installation,
manufacturer: mazda, category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > ecus computer modules, sku: 14735313673863853,

Mazda X4T35471 Is Similar To:

ecusrush logo
5 offers $10.00–$44.99 USD
  • Used. Offer #1 priced at $10.00 + $8.06 delivery = $18.06* total. +$8.06 shipping
  • Used. Offer #2 priced at $44.99 + $0.00 delivery = $44.99* total. FREE SHIPPING
  • Used. Offer #3 priced at $40.50 + $27.44 delivery = $67.94* total. REQUIRES PROGRAMMING.+$27.44 shipping
  • Used. Offer #4 priced at $22.49 + $6.99 delivery = $29.48* total. The parts are used and may show signs of imperfections such as light surface scratches slight fading dirt stains scuffs dents dings and normal wear and tear. ITEM WAS REMOVED FROM A 1989 MAZDA RX7 CONVERTIBLE.+$6.99 shipping
  • Used. Offer #5 priced at $26.24 + $0.00 delivery = $26.24* total. Shipped with USPS Ground Advantage. 89-91 Mazda RX7 FC OEM Cruise Control Module Unit .FREE SHIPPING

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