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2009 BMW 128i

Knock Sensors

Poor acceleration, drags, and thumping sounds coming from the engine are some of the signs of a failing knock sensor. Good thing CarParts.com has a wide selection of high-quality knock sensors at unbeatable prices, so shopping for a replacement that fits your vehicle won’t be difficult. All are on hand and ready to ship to your doorstep. Browse our catalog to find the best replacement knock sensor for your ride today!
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Knock Sensor
Part Number: REPM311201
Vehicle Info Required to Guarantee Fit
$12.67
Product Details
Notes : Without wiring harnessConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 72996, 170836, 716699, 1581017, 2131510, 2132256, 2421058, 88971397, 89053993, 0261231193, 8961502020, 8961506010, 8961520090, 2KNC0156, 5S2324, AS10172, DKS665, DKS665SB, ID0215, KS225T, KS73, S8825, SBC3674, SU6247, V70720133
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Knock Sensor
Part Number: SET-REPM311201-2
Vehicle Info Required to Guarantee Fit
$23.99
Product Details
Notes : Without wiring harnessComponents : (2) Knock SensorsConfiguration : 2 Blade Male Terminal & 1 Female Connector
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Knock Sensor
Part Number: SET-REPM311201-4
Vehicle Info Required to Guarantee Fit
$49.49
Product Details
Notes : Without wiring harnessComponents : (4) Knock SensorsConfiguration : 2 Blade Male Terminal & 1 Female Connector
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Knock Sensor, Nippondenso
Part Number: REPT311205
Vehicle Info Required to Guarantee Fit
$13.00
Product Details
Notes : Nippondenso; Without wiring harnessConfiguration : 1-Prong Blade Male Terminal; 1 Female ConnectorReplaces OE Number : 72911, 144769, 170798, 171543, 716624, 926387, 1580780, 1581793, 2132260, 2421045, 89053997, 94851941, 8961512090, 8961532010, 2KNC0066, 2KNC0222, 5S2254, AS10131, D8008, DKS608, DKS608SB, ID0166, KS159T, KS46, S8758, SBC3663, SU5377, TY1317774
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Knock Sensor, Nippondenso
Part Number: SET-REPT311205-2
Vehicle Info Required to Guarantee Fit
$22.49
Product Details
Notes : without Wiring Harness, NippondensoComponents : (2) Knock SensorsConfiguration : 1-Prong Blade Male Terminal; 1 Female Connector
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Knock Sensor, Matsushita
Part Number: REPT311206
Vehicle Info Required to Guarantee Fit
$15.00
Product Details
Notes : Matsushita; Without wiring harnessConfiguration : 1-Prong Blade Male Terminal; 1 Female ConnectorReplaces OE Number : 29008, 72911, 144717, 170747, 716619, 1580780, 1581648, 2131819, 2421040, 89052887, 8961512040, 2KNC0063, 5S2249, 5S2254, AS10019, DKS543, DKS543SB, ID0166, KS19, KS81T, S8648, SBC3696, SU4040, TY1317604
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Knock Sensor, Matsushita
Part Number: SET-REPT311206-2
Vehicle Info Required to Guarantee Fit
$29.49
Product Details
Notes : without Wiring Harness, MatsushitaComponents : (2) Knock SensorsConfiguration : 1-Prong Blade Male Terminal; 1 Female Connector
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Knock Sensor
Part Number: REPH311203
Vehicle Info Required to Guarantee Fit
$13.99
Product Details
Notes : Without wiring harnessConfiguration : 1-Prong Blade Male Terminal; 1 Female ConnectorReplaces OE Number : 72884, 144718, 170774, 716503, 1580812, 2132307, 2421044, 89054044, 5862069390, 2KNC0003, 30530P5M003, 30530P5M013, 30530PM5013, 5S2138, AS10018, AS10072, DKS569, DKS569SB, ID0087, KS45, KS64T, S8693, SBC3675, SU4771, V26720013
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Knock Sensor
Part Number: RF31120002
Vehicle Info Required to Guarantee Fit
$12.21
Product Details
Configuration : 2 Blade Female Terminal & 1 Male ConnectorReplaces OE Number : 4L3Z12A699AAQuantity Sold : Sold individually
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Knock Sensor
Part Number: SET-RF31120002-2
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Components : (2) Knock SensorsConfiguration : 2 Blade Female Terminal & 1 Male ConnectorReplaces OE Number : 4L3Z12A699AA
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Knock Sensor, Direct Mounting Type
Part Number: REPN311203
Vehicle Info Required to Guarantee Fit
$5.99
Product Details
Notes : Direct mounting type; Without wiring harnessConfiguration : 2 Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 29231, 72889, 170826, 716755, 1580976, 2134059, 2421050, 19146153, 24291050, 1864050Z00, 220607S000, 220608Y001, 22060AU010, 2KNC0061, 5S2378, AS10271, DKS654, EKA1035, ID0252, S8814, SU6861
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Knock Sensor, Direct Mounting Type
Part Number: SET-REPN311203-2
Vehicle Info Required to Guarantee Fit
$11.49
Product Details
Notes : Direct mounting type; Without wiring harnessComponents : (2) Knock SensorsConfiguration : 2 Blade Male Terminal & 1 Female Connector
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Knock Sensor, Screw-In
Part Number: REPP311201
Vehicle Info Required to Guarantee Fit
$13.99
Product Details
Notes : Screw-in; Without wiring harnessConfiguration : 1-Prong Bullet Male Terminal; 1 Female ConnectorReplaces OE Number : 32001, 72926, 144431, 213362, 716541, 716876, 926084, 1581427, 2133521, 2134453, 2421039, 10456603, 12589867, 19236382, 24291039, 8104566030, 8125898670, 2KNC0025, 2KS36, 5S2172, 5S8064, 7Q3, AS10017, DKS238, DKS238SB, GM1317752, ID0116, KS116T, KS36, S8696, SBC3654, SU1282, SU1282VC, SU9530
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Knock Sensor, Screw-In
Part Number: SET-REPP311201-2
Vehicle Info Required to Guarantee Fit
$27.49
Product Details
Notes : Screw-in; Without wiring harnessComponents : (2) Knock SensorsConfiguration : 1-Prong Bullet Male Terminal; 1 Female Connector
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Knock Sensor, 6 Cyl., 3.8L Engine, without Wiring Harness
Part Number: REPB311201
Vehicle Info Required to Guarantee Fit
$23.10
Product Details
Notes : Without wiring harnessConfiguration : 1-Prong Pin Male Terminal; 1 Female ConnectorReplaces OE Number : 29026, 72972, 144419, 213297, 716528, 2133522, 2134455, 2421020, 10456215, 12591625, 19236384, 2KNC0021, 5S2160, AS10009, DKS226, ID0108, KS48, S8605, SBC3703, SU1073
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Page 1 of 80 | Showing 1 - 15 of 1191 results

Top Rated Products

Replacement Knock Sensor
$13.99( Review)
Shipping took forever
Shanice S.
VERIFIED PURCHASER
Ive had these for over a year now and the check engine light comes on and off wheneveSee More
Thomas G.
VERIFIED PURCHASER

Product Questions & Answers

Q:Does my Monte Carlo SS have two knock sensors?
Tamara H.
A:BEST ANSWERHi Tamara, I'm glad to assist you. Yes, it does. Click on ...Show more
Arnel E.
 
1 Question, 1 AnswerView all Q&As >
Q:Is this the same part as GM 12589867 for my 1998 Corvette ...Show More
Gordon G.
A:BEST ANSWERHi Gordon, I'm pleased to assist you. Yes, it is the same ...Show more
Grace G.
 
1 Question, 1 AnswerView all Q&As >
Q:Will it fit 2005 chevy impala?
Jason F.
A:BEST ANSWERHi Jason, This will not be compatible with your 2005 Chev...Show more
Arnel E.
 
3 Questions, 1 AnswerView all Q&As >