HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition MX45 Mixture Control Solenoid
Part #: MX45

Standard Ignition MX45 Mixture Control Solenoid

24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 626, B2200, MX-6, and B2000
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Reliable Mixture Control Solenoid for Mazda Vehicles

The Standard Ignition MX45 Mixture Control Solenoid is designed to provide precise air and fuel delivery control for select Mazda models. Engineered to meet OEM specifications, this solenoid ensures consistent engine performance and efficient fuel management.

  • Compatible with Mazda 626, B2000, B2200, and MX-6 models
  • Part number MX45 for accurate identification and fitment
  • Controls air-fuel mixture for optimal engine operation
  • Durable construction for long-lasting performance
  • Direct replacement for factory-installed mixture control solenoids

Product Details and Functionality

The Standard Ignition MX45 mixture control solenoid plays a critical role in regulating the air and fuel mixture entering the engine. By adjusting the mixture based on engine demands, it helps maintain proper combustion, reduces emissions, and supports smooth engine idling. This solenoid is specifically designed for compatibility with Mazda 626, B2000, B2200, and MX-6 vehicles, ensuring a precise fit and reliable operation.

Common Applications and Problem Resolution

  • Helps resolve rough idling issues caused by improper air-fuel mixture
  • Addresses engine hesitation or stalling during acceleration
  • Improves fuel efficiency by maintaining correct mixture ratios
  • Reduces emissions related to mixture control malfunctions
  • Prevents check engine light triggers related to mixture control faults

Installation Notes and Tips

Installation of the MX45 mixture control solenoid should be performed by a qualified technician familiar with Mazda air and fuel delivery systems. Ensure the vehicle is turned off and cooled before beginning installation. Disconnect the battery to prevent electrical shorts. Remove the old solenoid carefully, noting the orientation and connector placement. Install the new solenoid securely, reconnect all electrical connections, and verify proper operation through diagnostic testing.

Quality Assurance and Warranty

Standard Ignition manufactures the MX45 mixture control solenoid to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberMX45
Connector GenderFemale
Terminal GenderMale
Terminal TypeWire Lead

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990Mazda6262.2LL4N/A
1990MazdaB22002.2LL4N/Aw/ 3 Screw Attachment
1990MazdaMX-62.2LL4N/A
1989Mazda6262.2LL4N/A
1989MazdaB22002.2LL4N/Aw/ 3 Screw Attachment
1989MazdaMX-62.2LL4N/A
1988Mazda6262.2LL4N/A
1988MazdaB22002.2LL4N/Aw/ 3 Screw Attachment
1988MazdaMX-62.2LL4N/A
1987Mazda6262.0LL4N/A
1987MazdaB20002.0LL4N/A
1987MazdaB22002.2LL4N/Aw/ 3 Screw Attachment
1986Mazda6262.0LL4N/A
1986MazdaB20002.0LL4N/A
1985Mazda6262.0LL4N/A
1984Mazda6262.0LL4N/A
1984MazdaB20002.0LL4N/A
1983Mazda6262.0LL4N/A
1983MazdaB20002.0LL4N/A
1982Mazda6262.0LL4N/A
1982MazdaB20002.0LL4N/A
1981MazdaB20002.0LL4N/A
1980MazdaB20002.0LL4N/A
1979MazdaB20002.0LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-19348ECS840FE0123411

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.