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Mitsubishi OEM DiaQueen 75W85 Transmission Fluid – 1 Gallon | 2003-2006 Mitsubishi Evo 8/9 MR 6 Speed (MZ320340)

Rated 3.83 out of 5 based on 6 customer ratings

OEM DiaQueen 75W85 Transmission Fluid – 1 Gallon for Evo 8/9 MR 6 Speed for Mitsubishi Lancer Evolution 7/8/9 offers reliable power delivery and improved drivetrain confidence. Shop this oem replacement at EvoMotorParts for fitment-focused drivetrain component upgrades.

Original price was: $123.10.Current price is: $110.79.

Categories Drivetrain, Mitsubishi Lancer Evolution VII–IX (2001–2006), Service Kits (Fluid + Filter), SST Transmission Tags Drivetrain, Evo 7-9, Service Kits (Fluid + Filter)

Description

Find OEM DiaQueen 75W85 Transmission Fluid – 1 Gallon for Evo 8/9 MR 6 Speed for Mitsubishi Lancer Evolution 7/8/9 at EvoMotorParts. This drivetrain component helps support reliable power delivery and improved drivetrain confidence while keeping your Evo build focused on quality, compatibility, and long-term performance.

Use the specifications and application details below to verify this drivetrain part is the right fit for your Mitsubishi Lancer Evolution 7/8/9 build.

75W85 OEM DiaQueen Transmission Fluid
OEM Mitsubishi DiaQueen MR 6-speed transmission fluid. This is the ONLY fluid you should be using in your 6 speed transmission!
NOTE: superseded from part number 3717610. This comes in a plastic container rather than the tin can the old part number came in.
Features
OEM Recommended for your car
Applications
2003-2006 Mitsubishi Evo 8/9 6-Speed
What’s In The Box?
(1) One Gallon Bottle
Warranty
Manufacturer Standard Warranty

6 reviews for Mitsubishi OEM DiaQueen 75W85 Transmission Fluid – 1 Gallon | 2003-2006 Mitsubishi Evo 8/9 MR 6 Speed (MZ320340)

Rated 3 out of 5

Harlow Chadwick – December 7, 2025

Smooth shifting right away the OEM DiaQueen fluid made my MR transmission feel brand new again Definitely worth it
Rated 5 out of 5

Addison BW – December 7, 2025

Big difference after the change. Shifts are crisp no more notchiness and the gearbox feels healthier overall great products Highly Recommended iam so happy Guys Hahahaha
Rated 4 out of 5

Hudson Carter – December 7, 2025

Quality fluid with immediate results the 6 speed feels more responsive, especially when cold. Highly recommended for MR owners.
Rated 2 out of 5

Keira Dalton – December 7, 2025

I’ve tried several other brands, but the moment I filled my 6-speed MR transmission with DiaQueen 75W85, the shifts became noticeably cleaner and the overall driving experience felt exactly the way Mitsubishi intended this is amazing Thanks to evomotorparts.com
Rated 4 out of 5

Harrington – December 7, 2025

If you want long term durability and factory smooth shifting in your Evo 8/9 MR 6-speed this DiaQueen 75W85 is by far the best investment you can make as the performance improvement is immediate and undeniable
Rated 5 out of 5

Madeline – December 7, 2025

This fluid delivers exceptional protection and consistency and my Evo’s transmission now runs smoother than ever, especially during cold mornings and aggressive driving sessions