HomeEmission Control > Air Injection SystemDorman 306-037 Secondary Air Injection Pump
Part #: 306-037

Dorman 306-037 Secondary Air Injection Pump

5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, Z3
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Overview of the Dorman Secondary Air Injection Pump

The Dorman 306-037 secondary air injection pump is designed specifically for BMW Z3 models, providing reliable emission control performance. This pump helps maintain your vehicle's air injection system without the need for additional mounting hardware or pulley components.

  • Compatible with BMW Z3 models
  • Secondary air injection pump for emission control systems
  • Pulley not included
  • No mounting hardware included
  • Package contains one secondary air injection pump

Product Details and Specifications

The Dorman 306-037 secondary air injection pump is engineered to support the air injection system by supplying additional air to the exhaust stream, which helps reduce harmful emissions during cold starts. This part is supplied without a pulley or mounting hardware, allowing for direct replacement where existing components can be reused. The package includes one pump unit, making it a straightforward replacement for BMW Z3 owners seeking to maintain emission compliance and system functionality.

Applications and Common Issues Addressed

  • Restores proper function to the secondary air injection system in BMW Z3 vehicles
  • Helps resolve check engine light triggers related to air injection pump failure
  • Addresses rough idle or poor engine performance caused by faulty air injection pumps
  • Reduces emissions by ensuring adequate air supply during cold engine operation

Installation Notes and Tips

When installing the Dorman 306-037 secondary air injection pump, ensure that the existing pulley and mounting hardware are in good condition and compatible with the new pump. Since these components are not included, reusing original parts is necessary. Proper alignment and secure mounting are critical for optimal pump operation and longevity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your BMW Z3. While specific warranty details for part number 306-037 should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in material and workmanship.

BrandDorman
Part Number306-037
Pulley IncludedNo
Mounting Hardware IncludedNo
Package Contents1 secondary air injection pump

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000BMWZ33.2LL6N/A
1999BMWZ33.2LL6N/A
1998BMWZ32.8LL6N/A
1998BMWZ33.2LL6N/A
1997BMWZ32.8LL6N/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:

11721432907

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