More Mercedes Secondary Air Injection Pump - C M 1191401285
SKU: CMH-CM216

Mercedes Secondary Air Injection Pump - C M 1191401285

500SEL, 500E, 400E, 400SE

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Core charges are assigned to parts that have reusable components by manufacturers to encourage the return of the used units. Once you return the old part you will be refunded for your core charge, details regarding the return will be emailed to you once you place the order. Note: The customer is responsible for the cost of return shipping.
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Description

Details

SKU:
CMH-CM216
FCP Euro ID:
945661
Quality:
Aftermarket

OE Numbers

1191401285

MFG Numbers

N/A

Product Information

Secondary Air Injection Pump

A Secondary Air Injection Pump is part of a vehicle’s emissions control system. Its main purpose is to inject fresh air into the exhaust stream during cold starts. This extra oxygen helps the catalytic converter heat up faster and burn off excess fuel, reducing harmful emissions before the engine reaches operating temperature. The pump is usually electric or belt-driven and works only for a short time after startup.

Secondary Air Injection Pump Failure Symptoms
  • Check Engine Light (CEL) illuminated, often with fault codes (such as P0410, P0411, or related to “secondary air system”).
  • Rough idle or hesitation on cold starts due to improper air-fuel mixture before the catalytic converter stabilizes.
  • Failed emissions test or increased exhaust smell, as the system cannot reduce pollutants effectively during startup.

Fits These Cars

Mercedes-Benz 400E

  • 1992 Mercedes-Benz 400E Secondary Air Injection Pump
    Automatic RWD Sedan 4.2L V8 Gas

Mercedes-Benz 400SE

  • 1992 Mercedes-Benz 400SE Secondary Air Injection Pump
    Automatic RWD Sedan 4.2L V8 Gas

Mercedes-Benz 500E

  • 1992 Mercedes-Benz 500E Secondary Air Injection Pump
    Automatic RWD Sedan 5.0L V8 Gas

Mercedes-Benz 500SEL

  • 1992 Mercedes-Benz 500SEL Secondary Air Injection Pump
    Automatic RWD Sedan 5.0L V8 Gas

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