Fully synthetic GL4+ gear oil, for use on the street or the track
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3170913
Mfg#:
20012
In Stock
34% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$21.95
This product was last offered at the strikethrough price on 05-07-2026
Increase the life of your gear oil, and decrease gearbox noise
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
261605
Mfg#:
2019
In Stock
45% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$21.95
This product was last offered at the strikethrough price on 06-04-2026
Technosynthese Semi-synthetic high performance GL-4 / GL-5 gear oil specially recommended for hard to shift gearboxes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
261389
Mfg#:
317011
In Stock
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$15.72
This product was last offered at the strikethrough price on 02-18-2026
Helps to reduce driveline shock loads by allowing the clutch to slip slightly during engagement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *General Purpose / Universal Item - May require slight modifications to fit your application*
Brand:
ES#:
2828677
Mfg#:
FCV-2000
Ships in 6 Business Days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$228.99
This product was last offered at the strikethrough price on 06-04-2026
Max-Gear is recommended for use in front or rear open differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fully synthetic GL4+ gear oil, for use on the street or the track
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3660870
Mfg#:
20014
In Stock at Vendor
$489.99
This product was last offered at the strikethrough price on 05-07-2026
For heavily-loaded racing differentials and transmissions, problem gearboxes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Custom Applications Only.
DOT4 compliant. Boiling point - Dry 307°C (585°F) / Wet 185°C (365°F)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2072516
Mfg#:
BF307
In Stock
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$34.99
This product was last offered at the strikethrough price on 06-04-2026
$32.99 USD
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More About Manual Transmission Parts
Whether you're doing a manual transmission service or a major overhaul, ECS Tuning has the manual transmission parts, transmission seals, and transmission fluids you need. Get original equipment transmission parts or name-brand aftermarket manual transmission parts that fit right and work as expected.