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

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.  

178 Products
1
 Omix-ADA Valve Covers

Omix-ADA Valve Covers

Omix-Ada Valve Cover
3.0 3.0 (2)

From $9.99

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1
 Crown Automotive Valve Covers

Crown Automotive Valve Covers

Crown Automotive Valve Cover
5.0 5.0 (2)

From $31.97

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2
 Crown Automotive Valve Cover Gasket

Crown Automotive Valve Cover Gasket

Crown Automotive Valve Cover Gasket
4.0 4.0 (1)

From $1.99

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2
 Omix-ADA Valve Cover Gasket Kits

Omix-ADA Valve Cover Gasket Kits

Omix-Ada Valve Cover Gasket

From $8.99

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2
 Omix-ADA Engine Valve Cover Gaskets

Omix-ADA Engine Valve Cover Gaskets

Omix-Ada Engine Valve Cover Gasket

From $5.99

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3
 Crown Automotive Head Gasket Set

Crown Automotive Head Gasket Set

Crown Automotive Head Gasket Set

From $26.99

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3
 Omix-ADA Head Gaskets

Omix-ADA Head Gaskets

Omix-Ada Head Gasket

From $12.99

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3
 Crown Automotive Head Gasket

Crown Automotive Head Gasket

Crown Automotive Head Gasket

From $10.79

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4
 Crown Automotive Engine Upper Gasket Set

Crown Automotive Engine Upper Gasket Set

Crown Automotive Engine Upper Gasket Set

From $6.49

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4
 Omix-ADA Engine Gasket Sets

Omix-ADA Engine Gasket Sets

Omix-Ada Engine Gasket Set

From $31.99

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5
 Crown Automotive Engine Lower Gasket Set

Crown Automotive Engine Lower Gasket Set

Crown Automotive Engine Lower Gasket Set

From $17.99

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6
 Crown Automotive Oil Filter

Crown Automotive Oil Filter

Crown Automotive Oil Filter

From $4.99

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6
 Omix-ADA Oil Filters

Omix-ADA Oil Filters

Omix-Ada Oil Filter

From $5.99

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7
 Crown Automotive Engine Oil Pump

Crown Automotive Engine Oil Pump

Crown Automotive Engine Oil Pump

From $28.99

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7
 Omix-ADA Oil Pumps

Omix-ADA Oil Pumps

Omix-Ada Oil Pump

From $3.99

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7
 Crown Automotive Engine Oil Pump Screen

Crown Automotive Engine Oil Pump Screen

Crown Automotive Engine Oil Pump Screen

From $57.99

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7
 Crown Automotive Oil Pump Gasket

Crown Automotive Oil Pump Gasket

Crown Automotive Oil Pump Gasket

From $0.89

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8
 Crown Automotive Engine Oil Pans

Crown Automotive Engine Oil Pans

Crown Automotive Engine Oil Pan
5.0 5.0 (1)

From $37.99

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8
 Omix-ADA Oil Pans

Omix-ADA Oil Pans

Omix-Ada Oil Pan

From $111.99

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9
 Crown Automotive Oil Filler Cap

Crown Automotive Oil Filler Cap

Crown Automotive Oil Filler Cap

From $3.99

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9
 Omix-ADA Oil Caps

Omix-ADA Oil Caps

Omix-Ada Oil Cap

From $4.99

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10
 Crown Automotive Oil Pan Drain Plug

Crown Automotive Oil Pan Drain Plug

Crown Automotive Oil Pan Drain Plug

From $2.69

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10
 Dorman Engine Oil Pan Drain Plug

Dorman Engine Oil Pan Drain Plug

Dorman Engine Oil Pan Drain Plug

From $3.99

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10
 Crown Automotive Oil Pan Drain Plug Washer

Crown Automotive Oil Pan Drain Plug Washer

Crown Automotive Oil Pan Drain Plug Washer

From $1.79

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10
 Omix-ADA Oil Pan Drain Plugs

Omix-ADA Oil Pan Drain Plugs

Omix-Ada Oil Pan Drain Plug

From $1.99

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11
 Crown Automotive Valve Cover Grommet

Crown Automotive Valve Cover Grommet

Crown Automotive Valve Cover Grommet
5.0 5.0 (1)

From $1.99

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11
 Crown Automotive Crankcase Vent Grommet

Crown Automotive Crankcase Vent Grommet

Crown Automotive Crankcase Vent Grommet

From $3.99

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12
 Omix-ADA Pistons

Omix-ADA Pistons

Omix-Ada Piston

From $15.99

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12
 Crown Automotive Engine Piston And Pin

Crown Automotive Engine Piston And Pin

Crown Automotive Engine Piston And Pin

From $41.99

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13
 Crown Automotive Engine Piston Ring Set

Crown Automotive Engine Piston Ring Set

Crown Automotive Engine Piston Ring Set

From $14.99

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13
 Omix-ADA Piston Ring Sets

Omix-ADA Piston Ring Sets

Omix-Ada Piston Ring Set

From $12.99

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14
 Omix-ADA Oil Pan Gaskets

Omix-ADA Oil Pan Gaskets

Omix-Ada Oil Pan Gasket

From $6.99

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14
 Crown Automotive Connecting Rod

Crown Automotive Connecting Rod

Crown Automotive Connecting Rod

From $28.99

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14
 Omix-ADA Connecting Rods

Omix-ADA Connecting Rods

Omix-Ada Connecting Rod

From $67.99

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15
 Crown Automotive Connecting Rod Bolt

Crown Automotive Connecting Rod Bolt

Crown Automotive Connecting Rod Bolt

From $3.99

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15
 Omix-ADA Connecting Rod Bolt/Nut Kits

Omix-ADA Connecting Rod Bolt/Nut Kits

Omix-Ada Connecting Rod Bolt/Nut Kit

From $4.99

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16
 Omix-ADA Main Engine Bearing Sets

Omix-ADA Main Engine Bearing Sets

Omix-Ada Main Engine Bearing Set

From $64.99

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17
 Crown Automotive Crankshaft Bearing

Crown Automotive Crankshaft Bearing

Crown Automotive Crankshaft Bearing

From $8.09

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17
 Crown Automotive Crankshaft Thrust Bearing

Crown Automotive Crankshaft Thrust Bearing

Crown Automotive Crankshaft Thrust Bearing

From $11.99

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18
 Omix-ADA Connecting Rod Bearings

Omix-ADA Connecting Rod Bearings

Omix-Ada Connecting Rod Bearing

From $8.99

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18
 Crown Automotive Connecting Rod Bearing Set

Crown Automotive Connecting Rod Bearing Set

Crown Automotive Connecting Rod Bearing Set

From $21.99

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19
 Crown Automotive Expansion Plug

Crown Automotive Expansion Plug

Crown Automotive Expansion Plug

From $1.99

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19
 Crown Automotive Camshaft Plug

Crown Automotive Camshaft Plug

Crown Automotive Camshaft Plug

From $2.99

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20
 Crown Automotive Oil Hole Plug

Crown Automotive Oil Hole Plug

Crown Automotive Oil Hole Plug

From $1.99

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21
 Omix-ADA Camshafts

Omix-ADA Camshafts

Omix-Ada Camshaft

From $136.99

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21
 Omix-ADA Camshaft Kits

Omix-ADA Camshaft Kits

Omix-Ada Camshaft Kit

From $213.99

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22
 Crown Automotive Timing Kit

Crown Automotive Timing Kit

Crown Automotive Timing Kit

From $49.97

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23
 Omix-ADA Camshaft Bearings

Omix-ADA Camshaft Bearings

Omix-Ada Camshaft Bearing

From $13.99

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23
 Crown Automotive Camshaft Bearing Set

Crown Automotive Camshaft Bearing Set

Crown Automotive Camshaft Bearing Set

From $16.99

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24
 Omix-ADA Intake Valves

Omix-ADA Intake Valves

Omix-Ada Intake Valve

From $7.99

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24
 Crown Automotive Intake Valve

Crown Automotive Intake Valve

Crown Automotive Intake Valve

From $6.99

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25
 Omix-ADA Exhaust Valves

Omix-ADA Exhaust Valves

Omix-Ada Exhaust Valve

From $9.99

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25
 Crown Automotive Exhaust Valve

Crown Automotive Exhaust Valve

Crown Automotive Exhaust Valve

From $7.99

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26
 Crown Automotive Valve Stem Seal

Crown Automotive Valve Stem Seal

Crown Automotive Valve Stem Seal

From $0.99

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26
 Omix-ADA Intake Valve Stem Seals

Omix-ADA Intake Valve Stem Seals

Omix-Ada Intake Valve Stem Seal

From $5.99

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26
 Omix-ADA Exhaust/Intake Valve Stem Seals

Omix-ADA Exhaust/Intake Valve Stem Seals

Omix-Ada Exhaust/Intake Valve Stem Seal

From $1.99

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26
 Omix-ADA Exhaust Valve Stem Seals

Omix-ADA Exhaust Valve Stem Seals

Omix-Ada Exhaust Valve Stem Seal

From $2.99

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27
 Crown Automotive Valve Spring Retainer Keeper

Crown Automotive Valve Spring Retainer Keeper

Crown Automotive Valve Spring Retainer Keeper

From $0.99

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28
 Omix-ADA Rocker Arms

Omix-ADA Rocker Arms

Omix-Ada Rocker Arm

From $6.99

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28
 Omix-ADA Rocker Arm Kits

Omix-ADA Rocker Arm Kits

Omix-Ada Rocker Arm Kit

From $29.99

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28
 Crown Automotive Rocker Arms

Crown Automotive Rocker Arms

Crown Automotive Rocker Arms

From $5.99

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28
 Crown Automotive Rocker Arm Kit

Crown Automotive Rocker Arm Kit

Crown Automotive Rocker Arm Kit

From $53.97

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29
 Omix-ADA Rocker Arm Pivots

Omix-ADA Rocker Arm Pivots

Omix-Ada Rocker Arm Pivot

From $2.99

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29
 Crown Automotive Rocker Arm Pivots

Crown Automotive Rocker Arm Pivots

Crown Automotive Rocker Arm Pivots

From $1.79

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30
 Omix-ADA Rocker Arm Bridges

Omix-ADA Rocker Arm Bridges

Omix-Ada Rocker Arm Bridge

From $3.99

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30
 Crown Automotive Rocker Arm Bridges

Crown Automotive Rocker Arm Bridges

Crown Automotive Rocker Arm Bridges

From $3.99

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30
 Crown Automotive Rocker Arm Pivot Bridge

Crown Automotive Rocker Arm Pivot Bridge

Crown Automotive Rocker Arm Pivot Bridge

From $1.79

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32
 Crown Automotive Rocker Arm Pivot Bolt

Crown Automotive Rocker Arm Pivot Bolt

Crown Automotive Rocker Arm Pivot Bolt

From $1.99

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33
 Crown Automotive Valve Springs

Crown Automotive Valve Springs

Crown Automotive Valve Spring

From $0.99

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34
 Omix-ADA Valve Lifters

Omix-ADA Valve Lifters

Omix-Ada Valve Lifter

From $8.99

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34
 Crown Automotive Valve Lifter

Crown Automotive Valve Lifter

Crown Automotive Valve Lifter

From $6.97

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35
 Omix-ADA Push Rods

Omix-ADA Push Rods

Omix-Ada Push Rod

From $1.99

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35
 Crown Automotive Push Rod

Crown Automotive Push Rod

Crown Automotive Push Rod

From $1.99

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36
 Omix-ADA Timing Chain Covers

Omix-ADA Timing Chain Covers

Omix-Ada Timing Chain Cover

From $60.99

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36
 Crown Automotive Timing Covers

Crown Automotive Timing Covers

Crown Automotive Timing Cover

From $42.97

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36
 Dorman Timing Cover Kit

Dorman Timing Cover Kit

Dorman Timing Cover Kit

From $55.99

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37
 Crown Automotive Timing Cover Gasket

Crown Automotive Timing Cover Gasket

Crown Automotive Timing Cover Gasket

From $2.99

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37
 Omix-ADA Timing Cover Gasket Sets

Omix-ADA Timing Cover Gasket Sets

Omix-Ada Timing Cover Gasket Set

From $4.99

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38
 Crown Automotive Crankshaft Seal

Crown Automotive Crankshaft Seal

Crown Automotive Crankshaft Seal

From $1.99

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38
 Omix-ADA Crankshaft Oil Seals

Omix-ADA Crankshaft Oil Seals

Omix-Ada Crankshaft Oil Seal

From $0.99

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40
 Crown Automotive Timing Chain Guide

Crown Automotive Timing Chain Guide

Crown Automotive Timing Chain Guide

From $4.99

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40
 Crown Automotive Timing Chain Tensioner

Crown Automotive Timing Chain Tensioner

Crown Automotive Timing Chain Tensioner

From $9.99

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40
 Omix-ADA Timing Chain Tensioners

Omix-ADA Timing Chain Tensioners

Omix-Ada Timing Chain Tensioner

From $28.99

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40
 Omix-ADA Timing Chain Guides

Omix-ADA Timing Chain Guides

Omix-Ada Timing Chain Guide

From $7.99

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40
 Crown Automotive Balance Shaft Chain Guide

Crown Automotive Balance Shaft Chain Guide

Crown Automotive Balance Shaft Chain Guide

From $6.99

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40
 Omix-ADA Timing Chain Tensioner Guides

Omix-ADA Timing Chain Tensioner Guides

Omix-Ada Timing Chain Tensioner Guide

From $36.99

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41
 Omix-ADA Timing Chains

Omix-ADA Timing Chains

Omix-Ada Timing Chain

From $16.99

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41
 Crown Automotive Engine Timing Chain

Crown Automotive Engine Timing Chain

Crown Automotive Engine Timing Chain

From $12.99

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On Sale
41
 Omix-ADA Timing Chain Kits

Omix-ADA Timing Chain Kits

Omix-Ada Timing Kit

From $53.99

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41
 Crown Automotive Balance Shaft Chain

Crown Automotive Balance Shaft Chain

Crown Automotive Balance Shaft Chain

From $17.99

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42
 Omix-ADA Camshaft Gear/Sprockets

Omix-ADA Camshaft Gear/Sprockets

Omix-Ada Camshaft Gear/Sprocket

From $17.99

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42
 Crown Automotive Camshaft Sprocket

Crown Automotive Camshaft Sprocket

Crown Automotive Camshaft Sprocket

From $19.99

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43
 Omix-ADA Crankshaft Gear/Sprockets

Omix-ADA Crankshaft Gear/Sprockets

Omix-Ada Crankshaft Gear/Sprocket

From $12.99

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43
 Crown Automotive Crankshaft Sprocket

Crown Automotive Crankshaft Sprocket

Crown Automotive Crankshaft Sprocket

From $16.99

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44
 Crown Automotive Harmonic Balancers

Crown Automotive Harmonic Balancers

Crown Automotive Harmonic Balancer

From $0.89

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44
 Omix-ADA Crankshaft Pulley And Dampers

Omix-ADA Crankshaft Pulley And Dampers

Omix-Ada Crankshaft Pulley And Damper

From $9.99

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45
 Crown Automotive Oil Slingers

Crown Automotive Oil Slingers

Crown Automotive Oil Slinger

From $2.99

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46
 Omix-ADA Pilot Bushings

Omix-ADA Pilot Bushings

Omix-Ada Pilot Bushing

From $3.99

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46
 Crown Automotive Clutch Pilot Bearings

Crown Automotive Clutch Pilot Bearings

Crown Automotive Pilot Bearing

From $3.99

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48
 Omix-ADA Flywheels

Omix-ADA Flywheels

Omix-Ada Flywheel Manual Transmission

From $135.99

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