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2003 Jeep Wrangler
2003 Jeep Wrangler Pistons
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Part Number: DNJP1123
Guaranteed to Fit
$141.49
Vehicle Fitment
- 2003 Jeep Wrangler X 6 Cyl 4.0L VIN S, OHV Engine, 12 Valve
- 2003 Jeep Wrangler Sahara 6 Cyl 4.0L VIN S, OHV Engine, 12 Valve
- 2003 Jeep Wrangler Rubicon 6 Cyl 4.0L VIN S, OHV Engine, 12 Valve
- 2003 Jeep Wrangler Sport 6 Cyl 4.0L VIN S, OHV Engine, 12 Valve
Product Details
Warranty : 1 year or 12,000-mile DNJ limited warrantyQuantity Sold : Set of 6Prop 65 Warning :
WARNING: 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.
Part Number: 4798329AB
Guaranteed to Fit
$63.99
Vehicle Fitment
- 2003 Jeep Wrangler X 6 Cyl 4.0L Standard Size Piston
- 2003 Jeep Wrangler Sahara 6 Cyl 4.0L Standard Size Piston
- 2003 Jeep Wrangler Rubicon 6 Cyl 4.0L Standard Size Piston
- 2003 Jeep Wrangler Sport 6 Cyl 4.0L Standard Size Piston
Product Details
Notes : No Connecting Rod includedWarranty : 1 year or 12,000-mile Crown limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: CR4446620AD
Guaranteed to Fit
$11.49
Vehicle Fitment
- 2003 Jeep Wrangler Rubicon All Engines transmissionmfrcode : 42RLE
- 2003 Jeep Wrangler Sport All Engines transmissionmfrcode : 42RLE
- 2003 Jeep Wrangler Sahara All Engines transmissionmfrcode : 42RLE
- 2003 Jeep Wrangler X All Engines transmissionmfrcode : 42RLE
- 2003 Jeep Wrangler SE All Engines
Product Details
Notes : Accumulator pistonWarranty : 1 year or 12,000-mile Crown limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: DNJP151A
Guaranteed to Fit
$81.49
Vehicle Fitment
- 2003 Jeep Wrangler SE 4 Cyl 2.4L VIN 1, DOHC Engine, 16 Valve
Product Details
Warranty : 1 year or 12,000-mile DNJ limited warrantyQuantity Sold : Set of 4Prop 65 Warning :
WARNING: 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.
Page 1 of 1 | Showing 1 - 4 of 4 results
Popular Products
CrownPiston - Direct Fit, Sold individuallyManufacturer #4798329AB
( Reviews) Questions, Answers
Crown Automotive is renowned for manufacturing the highest quality OEM replacement parts for Jeeps from 1942 to the present model year....
DNJPiston - Direct Fit, Set of 6Manufacturer #P1123
( Reviews) Questions, Answers
DNJ OE REPLACEMENT PISTONS
Keep your engine in excellent working condition by replacing damaged pistons with the OE-style fit and performance delivered by DNJ's OE replacement pistons. Since 1986, DNJ Engine Components has supplied the automotive aftermarket w...
Keep your engine in excellent working condition by replacing damaged pistons with the OE-style fit and performance delivered by DNJ's OE replacement pistons. Since 1986, DNJ Engine Components has supplied the automotive aftermarket w...
Product Questions & Answers
Q:Do you offer these these piston in an oversize?
Bob D.
A:BEST ANSWERHi Bob, thank you for reaching out. Per checking, we don't have the oversize version of these pistons. Thank you for inquiring. Have a nice day. Show less
Aldrin P.
2 Questions, 1 AnswerView all Q&As >
Q:Does this come with O rings ?
Oatricia B.
A:BEST ANSWERHi Oatricia, I'm glad to assist you. The piston does not come with an o-ring or piston ring. It is the piston only. We do not carry a piston ring/set for this selected vehicle application. If you still need to order this piston, grab our sale price and click the link below to buy it today. Happy shopping!
https://www.carparts.com/piston/crown/cr4446620ad?can=cpje1043_CSQA_20230924 Show less
Jeonino E.
2 Questions, 1 AnswerView all Q&As >
Helpful Automotive Resources
Parts to Keep an Eye on to Extend Engine Lifespan
Pro Tip:
One of the most important things you can do is to make sure the engine is always completely warm before you shut it off. Frequent short drives and cold starts can fill an outwardly clean engine with
Nitrous Oxide in Cars: What Is It and How Does It Work?When used in an engine, nitrous oxide can produce a short burst of power, usually between 50 and 150 hp.
How Piston Design Affects CombustionThe design and shape of pistons have evolved over the years, and this has definitely affected the combustion process. But how?
How Do Pistons Work?
What Is a Stroker Engine?Engine displacement refers to the total volume of the cylinders swept by pistons during a stroke. It’s usually measured in cubic centimeters, cubic inches, or liters. If you could capture all the air that passes through all the cylinders on an engine during two full crankshaft revolutions, this volume of
What Are Interference Engines?An interference engine is one that has pistons slamming into the valves when the timing belt snaps.
What Is Piston Slap and How Can You Get Rid of It?Piston slap is a type of engine noise that occurs when there’s a large cold running clearance or piston-to-wall clearance that causes the pistons to rock from side to side, slapping the side of the cylinder in the process.