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Walker 242-1277 Ignition Knock (Detonation) SensorOE Quality 60-Day Returns
Walker 242-1277 Ignition Knock (Detonation) Sensor - view 1
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Walker 242-1277 Ignition Knock (Detonation) Sensor - view 4
Part #: 242-1277

Walker 242-1277 Ignition Knock (Detonation) Sensor

Sensor Only
⚙️ 22 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$54.78Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Sensor Only
🚗Fitment: Mercedes-Benz and Saturn, Astra, C220, C230, C280, C36 AMG, E320, S320, SL320, and SLK230
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Walker 242-1277 Ignition Knock (Detonation) Sensor
BrandWalker
Part Number242-1277
PositionSensor Only
Terminal TypeSpade
Connector Quantity1
Connector ShapeRectangle
Terminal Quantity2
Connector GenderFemale
Terminal GenderMale

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008SaturnAstra1.8LL4N/ASensor Only
2000Mercedes-BenzC2302.3LL4N/ASensor Only
2000Mercedes-BenzSLK2302.3LL4N/ASensor Only
1999Mercedes-BenzC2302.3LL4N/ASensor Only
1999Mercedes-BenzS3203.2LL6N/ASensor Only
1999Mercedes-BenzSLK2302.3LL4N/ASensor Only
1998Mercedes-BenzC2302.3LL4N/ASensor Only
1998Mercedes-BenzS3203.2LL6N/ASensor Only
1998Mercedes-BenzSLK2302.3LL4N/ASensor Only
1997Mercedes-BenzC2302.3LL4N/ASensor Only
1997Mercedes-BenzC2802.8LL6N/ASensor Only
1997Mercedes-BenzC36 AMG3.6LL6N/ASensor Only
1997Mercedes-BenzE3203.2LL6N/ASensor Only
1997Mercedes-BenzS3203.2LL6N/ASensor Only
1997Mercedes-BenzSL3203.2LL6N/ASensor Only
1996Mercedes-BenzC2202.2LL4N/ASensor Only
1996Mercedes-BenzC2802.8LL6N/ASensor Only
1996Mercedes-BenzC36 AMG3.6LL6N/ASensor Only
1996Mercedes-BenzE3203.2LL6N/ASensor Only
1996Mercedes-BenzS3203.2LL6N/ASensor Only
1996Mercedes-BenzSL3203.2LL6N/ASensor Only
1995Mercedes-BenzC36 AMG3.6LL6N/ASensor Only

* 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:

00315389280261231188064836033010149KNS00114158099719526213-426031538928550045553533165S2274601616PG 009 108-571751736984.002873699.3148AS10167ID0111KS255SEB1280V22-72-0003

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

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