Jeep TJ Wrangler 4.0L 6 Cylinder Engine Parts - Best Reviews & Prices at 4WP

Jeep TJ Wrangler 4.0L 6 Cylinder Engine Parts

Make Sure It Fits Your Vehicle

Factory style replacement 4.0L 6 cylinder engine parts for your 1997-06 TJ Wrangler, Rubicon and Unlimited. You pride yourself on your Jeep's performance, and you love to make modifications to improve it. You only use high-quality parts to beef  up your ride, so when you want to purchase new Jeep 4.0 engine parts, you know where to go. 4 Wheel Parts has a great selection of aftermarket parts from top brands, and we have the lowest prices available.

Great Selection
Your dream is to have the ultimate off-road machine. Each month, you set aside money for vehicle modifications so you can achieve your dream, and beefing up your engine is at the top of your list.

4 Wheel Parts has quality pieces from top brands like Crown Automotive. From studs, bolts and rods to gaskets, grommets and valve covers, we have the parts you need. Each piece is crafted from tough steel to ensure that these parts can handle the rough off-road lifestyle.

Low Prices
Purchasing a Jeep 4.0 lifter kit can completely drain your budget.4 Wheel Parts is dedicated to providing you with the best price possible. We even offer a price match guarantee to ensure that you never pay too much for a part you purchase from us. If you buy an engine part from us and then find it for a better price, we will gladly refund you the difference.

Quality Service
At 4 Wheel Parts, we pride ourselves on providing you with the best service possible. We know that modifying your off-road vehicle can be confusing, so we provide a labeled engine parts diagram to make finding the right piece easier. When you need recommendations or advice, feel free to ask any expert on our team. With more than 50 years of experience under our belt, we have the expertise to help you complete your project, and we are more than happy to help. Shop with us today to find the parts you need to get back to off-roading.  

170 Product Groups
  • 1
     Omix-ADA Valve Covers

    Omix-ADA Valve Covers

    Omix-Ada Valve Cover

    From $103.62

    5.0 5.0 (2)
    On Sale
    1
     Crown Automotive Valve Covers

    Crown Automotive Valve Covers

    Crown Automotive Valve Cover

    From $32.99

    5.0 5.0 (3)
    2
     Crown Automotive Valve Cover Gasket

    Crown Automotive Valve Cover Gasket

    Crown Automotive Valve Cover Gasket

    From $0.99

    4.0 4.0 (3)
    2
     Omix-ADA Engine Valve Cover Gaskets

    Omix-ADA Engine Valve Cover Gaskets

    Omix-Ada Engine Valve Cover Gasket

    From $24.99

    On Sale
    2
     Omix-ADA Valve Cover Gasket Kits

    Omix-ADA Valve Cover Gasket Kits

    Omix-Ada Valve Cover Gasket

    From $12.27

    5.0 5.0 (1)
    On Sale
    3
     Crown Automotive Head Gasket

    Crown Automotive Head Gasket

    Crown Automotive Head Gasket

    From $10.99

    3
     Crown Automotive Head Gasket Set

    Crown Automotive Head Gasket Set

    Crown Automotive Head Gasket Set

    From $138.99

    3
     Omix-ADA Head Gaskets

    Omix-ADA Head Gaskets

    Omix-Ada Head Gasket

    From $11.47

    On Sale
    4
     Omix-ADA Engine Gasket Sets

    Omix-ADA Engine Gasket Sets

    Omix-Ada Engine Gasket Set

    From $110.99

    On Sale
    4
     Crown Automotive Engine Upper Gasket Set

    Crown Automotive Engine Upper Gasket Set

    Crown Automotive Engine Upper Gasket Set

    From $10.99

    5.0 5.0 (4)
    5
     Crown Automotive Engine Lower Gasket Set

    Crown Automotive Engine Lower Gasket Set

    Crown Automotive Engine Lower Gasket Set

    From $20.99

    1.0 1.0 (3)
    6
     Crown Automotive Oil Filter

    Crown Automotive Oil Filter

    Crown Automotive Oil Filter

    From $11.99

    6
     Omix-ADA Oil Filters

    Omix-ADA Oil Filters

    Omix-Ada Oil Filter

    From $12.83

    On Sale
    7
     Crown Automotive Engine Oil Pump

    Crown Automotive Engine Oil Pump

    Crown Automotive Engine Oil Pump

    From $106.99

    7
     Omix-ADA Oil Pumps

    Omix-ADA Oil Pumps

    Omix-Ada Oil Pump

    From $115.34

    On Sale
    7
     Crown Automotive Engine Oil Pump Screen

    Crown Automotive Engine Oil Pump Screen

    Crown Automotive Engine Oil Pump Screen

    From $57.99

    7
     Crown Automotive Oil Pump Gasket

    Crown Automotive Oil Pump Gasket

    Crown Automotive Oil Pump Gasket

    From $0.99

    8
     Crown Automotive Engine Oil Pans

    Crown Automotive Engine Oil Pans

    Crown Automotive Engine Oil Pan

    From $103.99

    3.8 3.8 (20)
    8
     Omix-ADA Oil Pans

    Omix-ADA Oil Pans

    Omix-Ada Oil Pan

    From $111.66

    1.0 1.0 (5)
    On Sale
    9
     Omix-ADA Oil Caps

    Omix-ADA Oil Caps

    Omix-Ada Oil Cap

    From $11.34

    On Sale
    9
     Crown Automotive Oil Filler Cap

    Crown Automotive Oil Filler Cap

    Crown Automotive Oil Filler Cap

    From $3.99

    5.0 5.0 (3)
    10
     Crown Automotive Oil Pan Drain Plug

    Crown Automotive Oil Pan Drain Plug

    Crown Automotive Oil Pan Drain Plug

    From $2.99

    10
     Dorman Engine Oil Pan Drain Plug

    Dorman Engine Oil Pan Drain Plug

    Dorman Engine Oil Pan Drain Plug

    From $17.99

    10
     Omix-ADA Oil Pan Drain Plugs

    Omix-ADA Oil Pan Drain Plugs

    Omix-Ada Oil Pan Drain Plug

    From $1.37

    5.0 5.0 (6)
    On Sale
    10
     Crown Automotive Oil Pan Drain Plug Washer

    Crown Automotive Oil Pan Drain Plug Washer

    Crown Automotive Oil Pan Drain Plug Washer

    From $1.99

    11
     Crown Automotive Crankcase Vent Grommet

    Crown Automotive Crankcase Vent Grommet

    Crown Automotive Crankcase Vent Grommet

    From $2.99

    11
     Crown Automotive Valve Cover Grommet

    Crown Automotive Valve Cover Grommet

    Crown Automotive Valve Cover Grommet

    From $0.99

    5.0 5.0 (2)
    12
     Omix-ADA Pistons

    Omix-ADA Pistons

    Omix-Ada Piston

    From $15.71

    On Sale
    12
     Crown Automotive Engine Piston And Pin

    Crown Automotive Engine Piston And Pin

    Crown Automotive Engine Piston And Pin

    From $41.99

    13
     Crown Automotive Engine Piston Ring Set

    Crown Automotive Engine Piston Ring Set

    Crown Automotive Engine Piston Ring Set

    From $102.99

    13
     Omix-ADA Piston Ring Sets

    Omix-ADA Piston Ring Sets

    Omix-Ada Piston Ring Set

    From $101.92

    On Sale
    14
     Omix-ADA Oil Pan Gaskets

    Omix-ADA Oil Pan Gaskets

    Omix-Ada Oil Pan Gasket

    From $10.98

    On Sale
    14
     Crown Automotive Connecting Rod

    Crown Automotive Connecting Rod

    Crown Automotive Connecting Rod

    From $32.99

    15
     Omix-ADA Connecting Rod Bolt/Nut Kits

    Omix-ADA Connecting Rod Bolt/Nut Kits

    Omix-Ada Connecting Rod Bolt/Nut Kit

    From $4.53

    On Sale
    15
     Crown Automotive Connecting Rod Bolt

    Crown Automotive Connecting Rod Bolt

    Crown Automotive Connecting Rod Bolt

    From $3.99

    16
     Omix-ADA Main Engine Bearing Sets

    Omix-ADA Main Engine Bearing Sets

    Omix-Ada Main Engine Bearing Set

    From $100.08

    On Sale
    17
     Crown Automotive Crankshaft Bearing

    Crown Automotive Crankshaft Bearing

    Crown Automotive Crankshaft Bearing

    From $9.99

    17
     Crown Automotive Crankshaft Thrust Bearing

    Crown Automotive Crankshaft Thrust Bearing

    Crown Automotive Crankshaft Thrust Bearing

    From $11.99

    18
     Omix-ADA Connecting Rod Bearings

    Omix-ADA Connecting Rod Bearings

    Omix-Ada Connecting Rod Bearing

    From $10.41

    On Sale
    18
     Crown Automotive Connecting Rod Bearing Set

    Crown Automotive Connecting Rod Bearing Set

    Crown Automotive Connecting Rod Bearing Set

    From $26.99

    19
     Crown Automotive Expansion Plug

    Crown Automotive Expansion Plug

    Crown Automotive Expansion Plug

    From $1.99

    19
     Crown Automotive Camshaft Plug

    Crown Automotive Camshaft Plug

    Crown Automotive Camshaft Plug

    From $1.99

    20
     Crown Automotive Oil Hole Plug

    Crown Automotive Oil Hole Plug

    Crown Automotive Oil Hole Plug

    From $1.99

    22
     Crown Automotive Timing Kit

    Crown Automotive Timing Kit

    Crown Automotive Timing Kit

    From $102.99

    4.0 4.0 (3)
    23
     Crown Automotive Camshaft Bearing Set

    Crown Automotive Camshaft Bearing Set

    Crown Automotive Camshaft Bearing Set

    From $16.99

    23
     Omix-ADA Camshaft Bearings

    Omix-ADA Camshaft Bearings

    Omix-Ada Camshaft Bearing

    From $12.04

    On Sale
    24
     Crown Automotive Intake Valve

    Crown Automotive Intake Valve

    Crown Automotive Intake Valve

    From $10.99

    24
     Omix-ADA Intake Valves

    Omix-ADA Intake Valves

    Omix-Ada Intake Valve

    From $12.19

    On Sale
    25
     Omix-ADA Exhaust Valves

    Omix-ADA Exhaust Valves

    Omix-Ada Exhaust Valve

    From $10.80

    On Sale
    25
     Crown Automotive Exhaust Valve

    Crown Automotive Exhaust Valve

    Crown Automotive Exhaust Valve

    From $10.99

    26
     Crown Automotive Valve Stem Seal

    Crown Automotive Valve Stem Seal

    Crown Automotive Valve Stem Seal

    From $0.99

    26
     Omix-ADA Exhaust/Intake Valve Stem Seals

    Omix-ADA Exhaust/Intake Valve Stem Seals

    Omix-Ada Exhaust/Intake Valve Stem Seal

    From $1.41

    On Sale
    26
     Omix-ADA Exhaust Valve Stem Seals

    Omix-ADA Exhaust Valve Stem Seals

    Omix-Ada Exhaust Valve Stem Seal

    From $4.61

    On Sale
    26
     Omix-ADA Intake Valve Stem Seals

    Omix-ADA Intake Valve Stem Seals

    Omix-Ada Intake Valve Stem Seal

    From $4.98

    On Sale
    27
     Crown Automotive Valve Spring Retainer Keeper

    Crown Automotive Valve Spring Retainer Keeper

    Crown Automotive Valve Spring Retainer Keeper

    From $0.99

    28
     Crown Automotive Rocker Arms

    Crown Automotive Rocker Arms

    Crown Automotive Rocker Arms

    From $15.99

    1.0 1.0 (2)
    28
     Omix-ADA Rocker Arms

    Omix-ADA Rocker Arms

    Omix-Ada Rocker Arm

    From $11.54

    On Sale
    28
     Omix-ADA Rocker Arm Kits

    Omix-ADA Rocker Arm Kits

    Omix-Ada Rocker Arm Kit

    From $26.90

    On Sale
    29
     Crown Automotive Rocker Arm Pivots

    Crown Automotive Rocker Arm Pivots

    Crown Automotive Rocker Arm Pivots

    From $1.99

    29
     Omix-ADA Rocker Arm Pivots

    Omix-ADA Rocker Arm Pivots

    Omix-Ada Rocker Arm Pivot

    From $2.08

    On Sale
    30
     Omix-ADA Rocker Arm Bridges

    Omix-ADA Rocker Arm Bridges

    Omix-Ada Rocker Arm Bridge

    From $2.77

    On Sale
    30
     Crown Automotive Rocker Arm Bridges

    Crown Automotive Rocker Arm Bridges

    Crown Automotive Rocker Arm Bridges

    From $3.99

    30
     Crown Automotive Rocker Arm Pivot Bridge

    Crown Automotive Rocker Arm Pivot Bridge

    Crown Automotive Rocker Arm Pivot Bridge

    From $1.99

    32
     Crown Automotive Rocker Arm Pivot Bolt

    Crown Automotive Rocker Arm Pivot Bolt

    Crown Automotive Rocker Arm Pivot Bolt

    From $0.99

    3.5 3.5 (2)
    33
     Crown Automotive Valve Springs

    Crown Automotive Valve Springs

    Crown Automotive Valve Spring

    From $0.99

    34
     Crown Automotive Valve Lifter

    Crown Automotive Valve Lifter

    Crown Automotive Valve Lifter

    From $19.99

    34
     Omix-ADA Valve Lifters

    Omix-ADA Valve Lifters

    Omix-Ada Valve Lifter

    From $26.46

    On Sale
    35
     Crown Automotive Push Rod

    Crown Automotive Push Rod

    Crown Automotive Push Rod

    From $1.99

    35
     Omix-ADA Push Rods

    Omix-ADA Push Rods

    Omix-Ada Push Rod

    From $1.76

    On Sale
    36
     Crown Automotive Timing Covers

    Crown Automotive Timing Covers

    Crown Automotive Timing Cover

    From $272.99

    36
     Omix-ADA Timing Chain Covers

    Omix-ADA Timing Chain Covers

    Omix-Ada Timing Chain Cover

    From $101.45

    On Sale
    36
     Dorman Timing Cover Kit

    Dorman Timing Cover Kit

    Dorman Timing Cover Kit

    From $60.99

    37
     Omix-ADA Timing Cover Gasket Sets

    Omix-ADA Timing Cover Gasket Sets

    Omix-Ada Timing Cover Gasket Set

    From $14.99

    On Sale
    37
     Crown Automotive Timing Cover Gasket

    Crown Automotive Timing Cover Gasket

    Crown Automotive Timing Cover Gasket

    From $12.99

    38
     Omix-ADA Crankshaft Oil Seals

    Omix-ADA Crankshaft Oil Seals

    Omix-Ada Crankshaft Oil Seal

    From $0.54

    On Sale
    38
     Crown Automotive Crankshaft Seal

    Crown Automotive Crankshaft Seal

    Crown Automotive Crankshaft Seal

    From $1.99

    40
     Omix-ADA Timing Chain Tensioners

    Omix-ADA Timing Chain Tensioners

    Omix-Ada Timing Chain Tensioner

    From $100.78

    On Sale
    40
     Crown Automotive Timing Chain Guide

    Crown Automotive Timing Chain Guide

    Crown Automotive Timing Chain Guide

    From $20.99

    40
     Omix-ADA Timing Chain Guides

    Omix-ADA Timing Chain Guides

    Omix-Ada Timing Chain Guide

    From $22.49

    On Sale
    40
     Crown Automotive Timing Chain Tensioner

    Crown Automotive Timing Chain Tensioner

    Crown Automotive Timing Chain Tensioner

    From $24.99

    40
     Omix-ADA Timing Chain Tensioner Guides

    Omix-ADA Timing Chain Tensioner Guides

    Omix-Ada Timing Chain Tensioner Guide

    From $33.43

    On Sale
    40
     Crown Automotive Balance Shaft Chain Guide

    Crown Automotive Balance Shaft Chain Guide

    Crown Automotive Balance Shaft Chain Guide

    From $7.99

    41
     Omix-ADA Timing Chain Kits

    Omix-ADA Timing Chain Kits

    Omix-Ada Timing Kit

    From $1,085.28

    On Sale
    41
     Crown Automotive Engine Timing Chain

    Crown Automotive Engine Timing Chain

    Crown Automotive Engine Timing Chain

    From $118.99

    41
     Omix-ADA Timing Chains

    Omix-ADA Timing Chains

    Omix-Ada Timing Chain

    From $109.84

    On Sale
    41
     Crown Automotive Balance Shaft Chain

    Crown Automotive Balance Shaft Chain

    Crown Automotive Balance Shaft Chain

    From $17.99

    42
     Crown Automotive Camshaft Sprocket

    Crown Automotive Camshaft Sprocket

    Crown Automotive Camshaft Sprocket

    From $23.99

    42
     Omix-ADA Camshaft Gear/Sprockets

    Omix-ADA Camshaft Gear/Sprockets

    Omix-Ada Camshaft Gear/Sprocket

    From $114.66

    On Sale
    43
     Omix-ADA Crankshaft Gear/Sprockets

    Omix-ADA Crankshaft Gear/Sprockets

    Omix-Ada Crankshaft Gear/Sprocket

    From $11.54

    On Sale
    43
     Crown Automotive Crankshaft Sprocket

    Crown Automotive Crankshaft Sprocket

    Crown Automotive Crankshaft Sprocket

    From $17.99

    44
     Omix-ADA Crankshaft Pulley And Dampers

    Omix-ADA Crankshaft Pulley And Dampers

    Omix-Ada Crankshaft Pulley And Damper

    From $103.99

    On Sale
    44
     Crown Automotive Harmonic Balancers

    Crown Automotive Harmonic Balancers

    Crown Automotive Harmonic Balancer

    From $0.99

    45
     Crown Automotive Oil Slingers

    Crown Automotive Oil Slingers

    Crown Automotive Oil Slinger

    From $1.99

    1.0 1.0 (1)
    46
     Omix-ADA Pilot Bushings

    Omix-ADA Pilot Bushings

    Omix-Ada Pilot Bushing

    From $3.03

    On Sale
    46
     Crown Automotive Clutch Pilot Bearings

    Crown Automotive Clutch Pilot Bearings

    Crown Automotive Pilot Bearing

    From $16.99

    48
     Crown Automotive Flywheel Ring Gear

    Crown Automotive Flywheel Ring Gear

    Crown Automotive Flywheel Ring Gear

    From $23.99

    48
     Omix-ADA Flex Plates

    Omix-ADA Flex Plates

    Omix-Ada Automatic Flywheels

    From $102.23

    On Sale
    48
     Omix-ADA Flywheels

    Omix-ADA Flywheels

    Omix-Ada Flywheel Manual Transmission

    From $114.99

    On Sale
    48
     Crown Automotive Flywheel Assembly

    Crown Automotive Flywheel Assembly

    Crown Automotive Flywheel Assembly

    From $109.99

    48
     Omix-ADA Flywheel Ring Gears

    Omix-ADA Flywheel Ring Gears

    Omix-Ada Flywheel Ring Gear

    From $25.93

    On Sale