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2003 Jeep Grand Cherokee
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
2003 Jeep Grand Cherokee

2003 Jeep Grand Cherokee Knock Sensors

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Knock Sensor, With Wiring Harness
Replacement
Knock Sensor, With Wiring Harness
Part Number: RD31120001
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Laredo 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L
Product Details
Notes : With wiring harnessConfiguration : 4-Blade Male Terminal & 1 Female ConnectorReplaces OE Number : 56041677AA, 56041677ABQuantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : KS167, 56041677AA, 56041677ABReturns Policy : 30-Day Return Policy
Knock Sensor, Sold individually
GPD®
Knock Sensor, Sold individually
Part Number: GPD1811771
Guaranteed to Fit
$32.99
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Laredo 8 Cyl 4.9L Ignition Knock Sensor
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L Ignition Knock Sensor
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L Ignition Knock Sensor
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year GPD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Standard OE Replacement Knock Sensor
Standard®
Standard OE Replacement Knock Sensor
Part Number: SIKS167
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Laredo 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L
Product Details
Quantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementInterchange Part Number : RD31120001
Knock Sensor
Walker Products®
Knock Sensor
Part Number: 2421054
Guaranteed to Fit
$47.49
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L Eng. VIN: J
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L Eng. VIN: J
Product Details
Notes : 610 mm Length; (4) Male Blade Terminals; (1) Female Rectangular Connector; 8 mm Threaded End Diameter; Includes Wiring HarnessQuantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Knock Sensor
Crown®
Knock Sensor
Part Number: CR56041677AB
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Laredo 8 Cyl 4.9L
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L
Product Details
Notes : 4.7LReplaces OE Number : 56041677, 56041677AAQuantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Crown limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

OE Replacement Series Knock Sensor
Mopar®
OE Replacement Series Knock Sensor
Part Number: MOP56041677AB
Guaranteed to Fit
$152.49
Vehicle Fitment
  • 2003 Jeep Grand Cherokee Overland 8 Cyl 4.9L Eng. VIN: J
  • 2003 Jeep Grand Cherokee Limited 8 Cyl 4.9L Eng. VIN: J
Product Details
Location : FrontQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Replacement Series
Page 1 of 1 | Showing 1 - 6 of 6 results

Top Rated Products

Replacement Knock Sensor, With Wiring Harness
$25.49( Review)
Exact fit ,low shipping
Gregorye. R.
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Helpful Automotive Resources

P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)
P0334 Code: Knock Sensor 2 Circuit Intermittent (Bank 2)The knock sensor generates a low amount of electricity while the engine is running.   A code P0334 will be stored if the PCM detects an unusual signal from knock sensor 2.
P0324 Code: Knock Control System Error
P0324 Code: Knock Control System ErrorThe knock sensor is part of the knock control system that includes its connector, wiring, and the PCM. Most sensors are attached to the engine block, cylinder head, or intake manifold. In most engines, there is a knock sensor for every cylinder bank. There are some engine designs that have
P0333 Code: Knock Sensor 2 Circuit High Bank 2
P0333 Code: Knock Sensor 2 Circuit High Bank 2The algorithms in the ECM/PCM are set up in such a way that spurious knocking noises not related to combustion are ignored. – Richard McCuistian, ASE Certified Master Automobile Technician
8 of the Most Important Car Sensors You Should Know About
8 of the Most Important Car Sensors You Should Know AboutAs a driver, you must know what these sensors are and how they contribute to your vehicle’s performance. Here are some of the most common car sensors you should know about. Oxygen Sensor The oxygen (O2) sensor measures the exhaust’s oxygen content.
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1
P0326 Code: Knock Sensor 1 Circuit Range / Performance Bank 1A knock sensor is a one-wire or two-wire sensor mounted on a cylinder block, and it detects engine knocking. “Knock sensor 1” in this code refers to the first sensor (if there are two), while “bank 1” refers to the side of the engine with cylinder #1.
P0328 Code: Knock Sensor 1 Circuit High (Bank 1 )
P0328 Code: Knock Sensor 1 Circuit High (Bank 1 )Knock sensors are devices that are used to detect engine knock. This sensor is typically a two-wire sensor, though there are some devices that only have one wire. The knock sensor receives a 5-volt reference and returns a signal to the PCM.