Castrol Transmax DEX/MERC Automatic Transmission Fluid, 1 Gallon

Castrol Transmax DEX/MERC Automatic Transmission Fluid, 1 Gallon
Model: 03520
Brand: Castrol
(46)
2 stores
1 Products

Product Details

Castrol Transmax DEX/MERC features enhanced friction durability for smooth transmission performance. Designed for use in older GM and Ford vehicles and meets both DEXRON-IIIH and MERCON requirements. Exceeds all passenger car and light truck manufacturer’s warranty requirements for vehicles, transmissions or power steering service where a DEXRON-IIIH or MERCON type ATF is specified.

Enhanced friction durability for smooth transmission performance. Meets DEXRON®-IIIH requirements. Also satisfies requirements of DEXRON®, DEXRON®-III, IIE and II. Do not use this ATF in applications calling for DEXRON®-VI. Meets MERCON® requirements. May also be used in power steering applications where MERCON® is required. Do not use this ATF in applications calling for MERCON® V or MERCON® SP. Meets MERCON®, DEXRON® IIIH

Shop Now

Compare Buying Options

Last Updated: 2025-10-19 07:29:32

Search
Amazon Amazon

$32.88
walmart walmart

Product Specifications

Technical Details

Manufacturer -
Brand Castrol
Item model number 03520
Color Black
Weight -
Height -
Depth -

Additional Product Information

Product Id 587008
User Reviews and Ratings
4.6 (46 ratings)
4.6 out of 5 stars
UPC 079191335208

Shopping Options

Compare Buying Options

# Shop & Price
1
Check on Amazon
Price:
Search Visit Amazon
2
Castrol Transmax DEX/MERC Automatic Transmission Fluid, 1 Gallon
Reviews: 46
app.ratings: (46)
Price:
$32.88 Visit walmart

Top User Reviews and Ratings (10 total reviews)

(5)
Reviewed in the USA on Feb 01, 2024

Great price shipped nice and fast

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Jan 03, 2023

The transmission fluid I needed for fluid change.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Sep 09, 2021

Castrol have most likely improved Dex3 beyond the H specification when you consider the price. Same with Valvoline. It is almost pointless to use Dex6 in vehicles that didn't come with it.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Jul 22, 2020

23 YEAR AUTO, DIESEL, TECH HERE. I HAVE A 1990 RANGER 2.3 WITH A4OD AUTO. 91,000 MILES. THIS STUFF BROUGHT MY TRUCK BACK TO LIFE!!! COULDNT BELIEVE THE EFFECT IT HAD ON TRANNY!!! EXCELLENT JOB CASTROL.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Mar 03, 2020

Did a lot of research and found Castrol Dex/is a good trany fluid for old cars that's not Synthetic. So very happy, and a good price plus fast shipping.C

Anonymous • Review provider: walmart.com
Showing 1 to 5 of 10 reviews
1