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Jeep Parts » Jeep Replacement Parts » Jeep Engines » 1987-2006 Jeep® 4.0L (242ci) Inline 6 Cylinder Engine Replacement Parts

1987-2006 Jeep® 4.0L (242ci) Inline 6 Cylinder Engine Replacement Parts

We carry the largest selection of Jeep® 4.0L 242ci Engine Replacement Parts around! If you are looking for OEM Jeep Replacement Engine Parts or want to upgrade your 4.0L 242ci engine parts we have everything that you will need!

Aluminum Valve Cover in Black RTV Silicone Gasket Sealant Cylinder Head Gasket Upper Valve Grind Gasket Set Lower Gasket Set K&N Wrench Off Oil Filter Oil Pump Oil Pan Less Sensor Hole Oil Pan Gasket Set Oil Pan Drain Plug Valve Cover Grommet Standard Piston & Pin Standard Engine Piston Ring Set Connecting Rod Connecting Rod Bolt with Nut Crankshaft Main Bearing Engine Main Bearing Set Crankshaft Thrust Engine Bearing Engine Connecting Rod Bearing Set Camshaft Plug Oil Hole Plug Camshaft Camshaft Bearing Set Intake Valve Exhaust Valve Intake Valve Seal Valve Retainer Lock Rocker Arm Rocker Arm Pivot Non-Studded Rocker Arm Pivot Bridge Rocker Arm Pivot Kit Rocker Arm Pivot Bolt Valve Spring Valve Lifter Push Rod Timing Cover Timing Case Cover Gasket Set Crankshaft Front Seal Crankshaft Front Seal Timing Case Cover Gasket Timing Chain Guide Snubber Timing Chain Camshaft Sprocket Crankshaft Sprocket Crankshaft Sprocket Vibration Damper Oil Slinger AMS Automotive Pilot Bushing Flywheel Ring Gear Flywheel Assembly Flex Plate Rear Main Crankshaft Seal Kit Motor Mount Transmission Mount Front Support Bracket Insulator Transmission Mount Rear Bracket Assembly Transmission Support Engine Mount Kit
# Description Years Comments Part # Price Buy
1 Aluminum Valve Cover in Black 93-04 3020323ALB $109.99
  Aluminum Valve Cover in Red 93-04 3020323ALR $109.99
  Aluminum Valve Cover in Yellow 93-04 3020323ALY $109.99

2 RTV Silicone Gasket Sealant 87-95 J8993317 $7.99
  Valve Cover Gasket 96-06 53020758AC $29.99

3 Cylinder Head Gasket 87-03 33007143 $21.99

4 Upper Valve Grind Gasket Set 87-90 4761015 $54.99
  Upper Valve Grind Gasket Set 91-99 Fits 1999 Wrangler TJ Applications 4636982AD $46.99
  Upper Valve Grind Gasket Set 99-06 Fits 1999 Cherokee XJ & Grand Cherokee WJ Applications 5012365AD $69.99

5 Lower Gasket Set 87-91 With Cork & Rubber Oil Pan Set J8125722 $26.99
  Lower Gasket Set 92-00 With 1 Piece Oil Pan Gasket 4713221 $42.99
  Lower Gasket Set 01-06 5017432AC $44.99

6 K&N Wrench Off Oil Filter 87-90 AFTERMARKET UPGRADE
With Metric Threads
HP-2007 $10.99
  K&N Wrench Off Oil Filter 91-06 AFTERMARKET UPGRADE
With SAE Threads
HP-2004 $10.99

7 Oil Pump 87-90 33002921 $106.99
  Oil Pump 91-06 J3241399 $129.99

8 Oil Pan Less Sensor Hole 87-01 Fits 87-95 Wrangler YJ, 97-99 Wrangler TJ, 87-01 Cherokee XJ, 93-98 Grand Cherokee ZJ & 86-93 Comanche MJ
Does Not Include Sensor Provision
Has Baffle In Oil Pan Sump
53020833AB $106.99
  Oil Pan Less Sensor Hole 99-06 Fits 00-06 Wrangler TJ & 99-04 Grand Cherokee WJ
Does Not Include Sensor Provision
Does Not Have Baffle In Oil Pan Sump
53010340AB $106.99

8A Oil Pan Gasket Set 87-91 Cork & Rubber Set 83504662 $9.99
  1 Piece Oil Pan Gasket 87-06 1 Piece Gasket 53007568 $29.99

9 Oil Filler Cap 87-90 33001016 $2.99
  Oil Filler Cap 91-94 With 2 Tab Attachment J8132312 $3.99
  Oil Filler Cap 1995 Cherokee XJ & Grand Cherokee ZJ With 2 Tab Attachment J8132312 $3.99
  Oil Filler Cap 1995 Wrangler YJ With 1-7/32" Twist On Threads 4777536 $4.99
  Oil Filler Cap 96-00 With 1-7/32" Twist On Threads 4777536 $4.99

10 Oil Pan Drain Plug 87-91 Plug & Gasket. Metric Threads 83501425 $1.99
  Oil Pan Plug 91-02 1 Piece, Rubber Coated. 1/2"-20 Threads 6034376 $2.99

11 Valve Cover Grommet 87-90 53004722 $1.99
  Valve Cover Grommet 94-06 2946079 $2.99

12 Standard Piston & Pin 87-95 83500251 $69.99
  Piston & Pin (+.010) 87-95 83500252 $49.99
  Piston & Pin 96-04 4798329AB $74.99

13 Standard Engine Piston Ring Set 87-95 4762462 $62.99
  Engine Piston Ring Set (+.010") 87-95 4762462.01 $62.99
  Engine Piston Ring Set (+.020") 87-95 4762462.02 $62.99
  Engine Piston Ring Set 96-06 4798878 $86.99

14 Connecting Rod 87-90 53020126 $39.99

15 Connecting Rod Bolt with Nut 87-06 J4486626 $3.99

16 Crankshaft Main Bearing 87-04 Standard With Offset Tab J8133252 $7.99

16A Engine Main Bearing Set 87-90 Standard With Offset Tabs 8133252K6 $86.99
  Main Bearing Set 91-06 Standard With Centered Tabs 83507079K $89.99

17 Crankshaft Thrust Engine Bearing 87-04 J8133253 $11.99

18 Engine Connecting Rod Bearing Set 87-04 Standard Size 83500300K6 $39.99
  Under Size Connecting Rod Bearing 87-04 .010" Undersize 83500301 $7.99

19 Camshaft Plug 87-04 2-9/64" In Diameter J3172313 $1.99

20 Oil Hole Plug 87-06 2" In Diameter J3105394 $1.99

21 Oil Hole Plug 87-06 Located On The Rear Of The Cylinder Head
Unavailable

22 Camshaft 87-95 83503402 $136.99

23 Camshaft Bearing Set 87-04 J3205711 $36.99
  Camshaft Bearing Set (.010 Oversized) 87-98 .010" Oversized J3208985 $36.99

24 Intake Valve 87-98 With Cylinder Head Marked '15'.
1 Groove On Valve Stem.
33003515 $6.99
  Intake Valve 98-06 With 3 Radius Cut Grooves On Valve Stem. 53010512AA $7.99

25 Exhaust Valve 87-98 With 1 Radius Cut Groove On Valve Stem. 33003860 $8.99
  Exhaust Valve 98-06 With 3 Radius Cut Grooves On Valve Stem. 53010513AA $12.99

26 Intake Valve Seal 87-06 53009886 $2.99
  Exhaust Valve Stem Seal 87-06 53009887 $2.99

27 Valve Retainer Lock 87-98 With 1 Radius Cut Groove On Valve Stem 33003521 $1.99
  Valve Retainer Lock 98-06 With 3 Radius Cut Grooves On Valve Stem 53010515AA $1.99

28 Rocker Arm 87-06 T3242393 $4.99

29 Rocker Arm Pivot 87-06 3235090 $1.99

30 Non-Studded Rocker Arm Pivot Bridge 87-06 J3236513 $1.99

31 Rocker Arm Pivot Kit 87-06 3236513K $3.99

32 Rocker Arm Pivot Bolt 87-06 J8120512 $1.49

33 Valve Spring 96-06 53010388 $9.99

34 Valve Lifter 87-01 J3222276 $7.99

35 Push Rod 87-06 33002986 $2.99

36 Timing Cover 87-92 53020233 $44.99
  Timing Chain Cover 93-99 53020222 $42.99

37 Timing Case Cover Gasket Set 87-91 J8129097 $5.99

38 Crankshaft Front Seal 87-06 J3224704 $2.99

39 Timing Case Cover Gasket 87-06 J3225187 $2.99

40 Timing Chain Guide Snubber 87-06 33003446 $3.99

41 Timing Chain 87-93 Sprocket Tooth Thickness = .28" 33002977 $12.99
  Timing Chain 94-06 Sprocket Tooth Thickness = .40" 53020444 $26.99

42 Camshaft Sprocket 87-93 Sprocket Tooth Thickness = .28" 33002978 $19.99
  Camshaft Sprocket 94-98 Sprocket Tooth Thickness = .40" 53020445 $19.99
  Camshaft Sprocket 99-06 Sprocket Tooth Thickness = .40" 53010557AA $64.99

43 Crankshaft Sprocket 87-93 Sprocket Tooth Thickness = .28" 33002979 $17.99
  Crankshaft Sprocket 94-06 Sprocket Tooth Thickness = .40" 53020443 $19.99

44 Vibration Damper 87-04 33002920 $49.99

45 Oil Slinger 87-00 J3173076 $1.99

46 AMS Automotive Pilot Bushing 87-91 33004041 $6.99
  AMS Automotive Pilot Bushing 92-99 BA207 $7.99

47 Flywheel Ring Gear 87-93 J3179741 $21.99

48 Flywheel Assembly 91-04 97-04 Wrangler TJ
91-95 Wrangler YJ
91-01 Cherokee XJ
93-96 Grand Cherokee ZJ
53020519AB $124.99
  Flywheel Assembly 87-90 Cherokee XJ Applications Only 33002672 $116.99

49 Flex Plate 84-93 33002675 $79.99

50 Rear Main Crankshaft Seal Kit 87-99 4778126 $9.99
  Rear Main Seal 00-05 5018594 $8.99

53 Motor Mount 87-99 91-95 Wrangler YJ
97-99 Wrangler TJ
87-01 Cherokee XJ with 4.0L Engine
93-99 Cherokee XJ RHD Applications
52040267 $12.99
  Passenger Side Front Motor Mount 93-96 Cherokee XJ RHD Applications 52020018 $42.99
  Motor Mount 97-06 Wrangler TJ Applications Only 52019278 $24.99
  Passenger Side Front Motor Mount 93-98 Grand Cherokee ZJ Applications Only 52018280 $39.99
  Driver Side Front Motor Mount 93-98 Grand Cherokee ZJ Applications Only 52018281 $39.99
  Passenger Side Motor Mount 99-04 Grand Cherokee WJ Applications Only 52058928 $62.99
  Driver Side Motor Mount 99-04 Grand Cherokee WJ Applications Only 52058929 $62.99

54 Transmission Mount 91-95 Wrangler YJ Applications Only 52002625 $14.99
  Transmission Mount 87-99 Cherokee XJ Applications Only 52002334 $22.99
  Transmission Mount 99-01 Cherokee XJ Applications Only 52059347AB $54.99
  Transmission Mount 97-06 Wrangler TJ Applications Only 52058551 $26.99

55 Front Support Bracket Insulator 87-96 Cherokee XJ Applications Only 53000101 $2.99

56 Transmission Mount 87-90 With Peugeot BA 10/5 Transmission 83505567 $79.99

57 Rear Bracket Assembly 93-96 Grand Cherokee ZJ With Automatic Transmission 52018857 $44.99
  Rear Bracket Assembly 93-96 Grand Cherokee ZJ With Manual Transmission 52018096 $56.99

58 Transmission Support 97-98 Grand Cherokee ZJ Applications Only 52058485 $39.99
  Transmission Support 99-04 Grand Cherokee WJ 2WD Applications Only 52058995 $56.99
  Transmission Support For 99-04 Jeep® Grand Cherokee WJ 4WD & 4.0L 6 Cylinder Engine 99-04 Grand Cherokee WJ 4WD Applications Only 52058994 $46.99

59 Engine Mount Kit 87-95 Wrangler YJ Applications Only 52019201K $42.99
  Engine & Transmission Mount Kit 87-89 Cherokee XJ Applications Only 52019201KP $89.99




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The following parts require additional handling charges due to their large size or weight: wheels, tires, full suspension lift kits, oversized bumpers, tire carriers, body tubs, hard tops and cargo racks. The following parts do not qualify for free shipping: Oversized items and items delivered by truck freight, as well as prior purchases and returns.

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Jeep Parts & Jeep Accessories Take your Jeep to the next level with the parts found on our site. We are a leading Jeep accessories retailer, providing performance products for our customers. We work hard to give you the best information to turn your vehicle into a top-notch ride. Whether you are looking for 4wd suspension parts & accessories or want improved Jeep performance, we have the parts & Jeep accessories you need.

The terms Quadratec and Essentials are Registered Trademarks of Quadratec Incorporated, Registered in U.S. Patent and Trademark Office. All manufacturers names, numbers, symbols and descriptions are used for reference purposes only, and it is not implied that any part listed is the product of these manufacturers or approved by any of these manufacturers.

*Jeep, Wrangler, Rubicon, Renegade, CJ, Quadra-Trac and the Jeep Grille Design are registered trademarks of Chrysler LLC. Quadratec, Inc, has no affiliation with Chrysler LLC. Throughout this website and catalog the terms Jeep, Wrangler, MOPAR®, & Rubicon are used for identification purposes only. Geo is a registered trademark and Tracker is a registered trademark of the General Motors Company. Sidekick and Samurai are trademarks of Suzuki Motor Corporation. Amigo is a product of Isuzu Motors Limited. Chevrolet, the Chevrolet Emblem, S Series, GMC, GMC Truck, Chevy, Vortec and Sonoma are registered trademarks of the General Motors Company. Expedition, F-Series, F-150, F-250, F-350, Super Duty and Flare Side are registered trademarks of the Ford Motor Company. All other marks, names, and logos mentioned on this web site are the property of their respective owners.

Throughout this web site all the preceding marks & logos are used for identification purposes only. Quadratec has no affiliation with the Chrysler LLC, MOPAR®, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited. It is not implied that any part listed is a product of, or approved by Chrysler LLC, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited.

Quadratec, Inc. is sometimes mis-searched as Quadartec and Quadratech, we have no affiliation with either. [1]



* Free Shipping Special Offer Details To qualify for FREE shipping the parts on an individual order must meet a combined total value of $75 or more. Customer must select Standard Shipping in the checkout and ship to an address in the contiguous 48 United States. Some parts require additional handling charges due to their large size or weight: including wheels, tires, full suspension lift kits, oversized bumpers, tire carriers, body tubs, hard tops, cargo racks, winches and hitches. Oversized items, items that are delivered by truck freight, prior purchases and returns do not qualify for free shipping.