Free Shipping on $75+ Orders

15W40 CK4 Heavy Duty 6 x 1 Gallon

Yittzy
Extreme Racing Oil 15W40 CK4 Heavy Duty 6 x 1 Gallon
Hover to zoom
Extreme Racing Oil

15W40 CK4 Heavy Duty 6 x 1 Gallon

MPN: XD15W-40C
In Stock
Only 5 left in stock - order soon!
$196.37$204.22SAVE 4%
Starting at $17/mowithaffirm

Motor Oil - Extreme Diesel Oil - 15W40 - Conventional - 1 gal Jug - Set of 6

1

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Usually ships in 1-3 business days

Motor Oil
- Extreme Diesel Oil - 15W40
- Conventional - 1 gal Jug
- Set of 6

Earn 196 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Complete the BuildMore from Extreme Racing Oil

Extreme Gear Oil 85W140 GL5 5 Gallon Pail

Gear Oil

Extreme Gear Oil 85W140 GL5 5 Gallon Pail

$198.45

Extreme Gear Oil 80W90 GL5 5 Gallon Pail

Gear Oil

Extreme Gear Oil 80W90 GL5 5 Gallon Pail

$183.20

Buying Guides

Cold Air Intake for Jeep: Benefits, Top Brands, and Installation GuideJeep Throttle Body Spacer Review: Do They Actually Work?Best Jeep Performance Chips and Programmers in 2026
Compare Engine OilBest Engine Oil →

Related Articles

Guide to Alabama Gulf Coast Jeep Meet 2026

Jeep Culture · Apr 18, 2026

Top 2 Epic Jeep Events This April 2026

Jeep Culture · Apr 17, 2026

Guide to Jeep Carolina Invasion 2026

Jeep Culture · Apr 17, 2026

You May Also Like