300+ 2021 Jeep Wrangler Engine & Drivetrain Unlimited Islander Parts - Page 4

Unlimited Islander · Engine & Drivetrain (206 products)

Exact-fit parts for the 2021 Jeep Wrangler Unlimited Islander.

Yukon Performance Front Driveshaft 2018 Jeep JL Sahara 4 Door Auto Selec-Trac

Yukon Gear & Axle

Part # YDS033

Confirmed Fit

Yukon Performance Front Driveshaft 2018 Jeep JL Sahara 4 Door Auto Selec-Trac

$1024.89

aFe Power Pro Series Front Differential Cover Red w/Machined Fins 18-19 Jeep JL (Dana M210)

aFe

Part # 46-71030R

Confirmed Fit

aFe Power Pro Series Front Differential Cover Red w/Machined Fins 18-19 Jeep JL (Dana M210)

$394.76

aFe Pro Series Rear Differential Cover Red 2018+ Jeep Wrangler (JL) V6 3.6L (Dana M220)

aFe

Part # 46-71000R

Confirmed Fit

aFe Pro Series Rear Differential Cover Red 2018+ Jeep Wrangler (JL) V6 3.6L (Dana M220)

$394.76

Royal Purple

Part # 26320

Confirmed Fit

Royal Purple Max ATF Automatic Transmission Fluid (Canada) - 1 Quart

$90.18

JKS Manufacturing

Part # JKS7202

Confirmed Fit

JKS Manufacturing Jeep Wrangler JK/JL Solid Track Bar Rebuild Kit (JKS OGS121/OGS122/OGS123/OGS159)

$35.95

Yukon Complete Gear and Kit Pkg. for JL Jeep Non-Rubicon w/D35 Rear & D30 Front & 4:88 Gear Ratio

Yukon Gear & Axle

Part # YGK074

Confirmed Fit

Yukon Complete Gear and Kit Pkg. for JL Jeep Non-Rubicon w/D35 Rear & D30 Front & 4:88 Gear Ratio

$917.21

aFe Scorcher GT Module 2018 Jeep Wrangler (JL) V6-3.6L

aFe

Part # 77-46205

Confirmed Fit

aFe Scorcher GT Module 2018 Jeep Wrangler (JL) V6-3.6L

$396.29

Yukon Gear High Stage 2 Jeep JL Re-Gear Kit w/Covers Dana 30/35 4.88 Ratio 24 Spline

Yukon Gear & Axle

Part # YGK074STG2

Confirmed Fit

Yukon Gear High Stage 2 Jeep JL Re-Gear Kit w/Covers Dana 30/35 4.88 Ratio 24 Spline

$1285.85

Yukon Toyota Land Cruiser 1310 Flange Conversion Yoke

Yukon Gear & Axle

Part # YY 310217

Confirmed Fit

Yukon Toyota Land Cruiser 1310 Flange Conversion Yoke

$135.89

Eaton

Part # 14313-2

Confirmed Fit

Eaton ELocker Differential Dana 44 (M220) 35 Spline

$1711.60

Fishbone Offroad

Part # FB21096

Confirmed Fit

Fishbone Offroad 2018+ Jeep Wrangler JL 4 Door Rocker Guards

$491.51

Banks Power

Part # 66798

Confirmed Fit

Banks Power 20-21 Ram 1500/Jeep JL 3.0L EcoDiesel Derringer Gen2 Tuner w/ iDash 1.8

$787.46

ICON

Part # 89141524B

Confirmed Fit

ICON Alloys Lug Nut Kit Black - 14x1.5 - 24 Lug Nuts w/ Key

$67.53

Yukon Stage 2 Jeep JL/JT Re-Gear Kit w/Covers & D44 Front & Rear in a 5.13 Ratio

Yukon Gear & Axle

Part # YGK069STG2

Confirmed Fit

Yukon Stage 2 Jeep JL/JT Re-Gear Kit w/Covers & D44 Front & Rear in a 5.13 Ratio

$1417.51

K&N 18-23 Jeep Wrangler (JL) 3.6L Oil Catch Can

K&N

Part # 81-0816

Confirmed Fit

K&N 18-23 Jeep Wrangler (JL) 3.6L Oil Catch Can

$157.99

Rhino-Rack

Part # LHSPAIR

Confirmed Fit

Rhino-Rack Heavy Duty Leg Height Spacer - 10mm - Pair

$36.79

Yukon Ring & Pinion Gear Set For Rear Dana 44 in Jeep JL Rubicon 220mm in 4.56 Ratio

Yukon Gear & Axle

Part # YG D44JL-456

Confirmed Fit

Yukon Ring & Pinion Gear Set For Rear Dana 44 in Jeep JL Rubicon 220mm in 4.56 Ratio

$517.89

Standard Motor Products

Part # EGV1315

Fits with Conditions

EGR Valve

$660.65

Fel-Pro

Part # SS73130

Confirmed Fit

Fel-Pro RAM 1500 SS 73130 Engine Valve Stem Oil Seal Set

$38.49

Fel-Pro

Part # VS50960R

Confirmed Fit

Fel-Pro Jeep Grand Cherokee VS 50960 R Engine Valve Cover Gasket Set

$47.16

Frequently Asked Questions

Do these parts fit my 2021 Jeep Wrangler Unlimited Islander?

This page groups parts listed for the 2021 Jeep Wrangler Unlimited Islander. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What engine & drivetrain options are available for my 2021 Jeep Wrangler Unlimited Islander?

We offer a wide selection of engine & drivetrain parts for the 2021 Jeep Wrangler Unlimited Islander. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2021 Jeep Wrangler Unlimited Islander?

We carry parts from trusted brands including Yukon Gear & Axle, aFe, ARB, Dayco, and Fel-Pro, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2021 Jeep Wrangler Unlimited Islander parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2021 Jeep Wrangler Unlimited Islander parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2021 Jeep Wrangler(3,297 parts)

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Unlimited Islander · Engine & Drivetrain (206 products)

Yukon Performance Front Driveshaft 2018 Jeep JL Sahara 4 Door Auto Selec-Trac

aFe Power Pro Series Front Differential Cover Red w/Machined Fins 18-19 Jeep JL (Dana M210)

aFe Pro Series Rear Differential Cover Red 2018+ Jeep Wrangler (JL) V6 3.6L (Dana M220)

Royal Purple Max ATF Automatic Transmission Fluid (Canada) - 1 Quart

JKS Manufacturing Jeep Wrangler JK/JL Solid Track Bar Rebuild Kit (JKS OGS121/OGS122/OGS123/OGS159)

Yukon Complete Gear and Kit Pkg. for JL Jeep Non-Rubicon w/D35 Rear & D30 Front & 4:88 Gear Ratio

aFe Scorcher GT Module 2018 Jeep Wrangler (JL) V6-3.6L

Yukon Gear High Stage 2 Jeep JL Re-Gear Kit w/Covers Dana 30/35 4.88 Ratio 24 Spline

Yukon Toyota Land Cruiser 1310 Flange Conversion Yoke

Eaton ELocker Differential Dana 44 (M220) 35 Spline

Fishbone Offroad 2018+ Jeep Wrangler JL 4 Door Rocker Guards

Banks Power 20-21 Ram 1500/Jeep JL 3.0L EcoDiesel Derringer Gen2 Tuner w/ iDash 1.8

ICON Alloys Lug Nut Kit Black - 14x1.5 - 24 Lug Nuts w/ Key

Yukon Stage 2 Jeep JL/JT Re-Gear Kit w/Covers & D44 Front & Rear in a 5.13 Ratio

K&N 18-23 Jeep Wrangler (JL) 3.6L Oil Catch Can

Rhino-Rack Heavy Duty Leg Height Spacer - 10mm - Pair

Yukon Ring & Pinion Gear Set For Rear Dana 44 in Jeep JL Rubicon 220mm in 4.56 Ratio

EGR Valve

Fel-Pro RAM 1500 SS 73130 Engine Valve Stem Oil Seal Set

Fel-Pro Jeep Grand Cherokee VS 50960 R Engine Valve Cover Gasket Set

Frequently Asked Questions

Do these parts fit my 2021 Jeep Wrangler Unlimited Islander?

What engine & drivetrain options are available for my 2021 Jeep Wrangler Unlimited Islander?

What brands make parts for the 2021 Jeep Wrangler Unlimited Islander?

How fast do 2021 Jeep Wrangler Unlimited Islander parts ship?

What warranty do your 2021 Jeep Wrangler Unlimited Islander parts come with?