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Description
motul gear ff competition 75w140 75W140 Competition Gear OilMOTUL Gear Competition 75W140 is a 100% synthetic Ester based racing lubricant for limited slip differential integrated in the gearbox or not. Commonly used with Evo 4 9 transfer case and GTR front and rear diff. Confirmed and Recommended Uses: Evo 4 9 transfer case requires one bottle Nissan R35 GTR Front and Rear Diff Typically used for drag and road racing Details: Part Number: 105779 Article Number: 101161 UPC: 3374650011455 Package Size: 1 Liter
MOTUL Gear Competition 75W140 is a 100% synthetic Ester based racing lubricant for limited slip differential integrated in the gearbox or not. Commonly used with Evo 4-9 transfer case and GTR front and rear diff.Confirmed and Recommended Uses:
• Evo 4-9 transfer case requires one bottle
• Nissan R35 GTR Front and Rear Diff
• Typically used for drag and road racing
Details:
Part Number: 105779
Article Number: 101161
UPC: 3374650011455
Package Size: 1 Liter Bottle
Viscosity: 75W140
Also Known As: MOTUL Gear FF Competition 75W140
Shipping Notes:
• This item ships by ground to the Lower 48 Continental United States ONLY
• Does not ship to AK, HI, PR or out of the USA
• Not available for Overnight Shipping
Type of Use:
Specially designed for racing vehicle gearboxes: speed way, rally, raid.
All hypoid differentials with limited slip system, gearbox with integrated limited slip differential, mechanical transmission, synchronized or not synchronized gearboxes, transfer gearboxes operating under shocks, heavy loads and low revolution speed or moderate loads and high revolution speed.
Standards:
Above Existing Standards
Specifications:
API GL5 – MUGEN Le Mans 24H – HEWLAND and X-TRAC Japanese GT
Performance:
100% synthetic extreme pressure lubricant for an efficient anti-wear protection, a better resistance at high temperature and a longer life time.
Included friction modifier avoid noisy or dragging limited slip differential.
0% shear loss : Unshearable oil film in extreme conditions.
Stays in 140 grade after KRL 20 hours shear test as requested by SAE J306 Standard, July 1998 update.
Very high lubricating power which decreases friction and wear.
140 grade at hot temperature to provide outstanding oil film resistance at hot temperature and/or to reduce transmission noise.
Fluid at low temperature to allow easier gear shifting when the gearbox is cold.
Less effort required on the gear lever to shift the gears.
Suitable for any type of seal and yellow material used in gearboxes design.
Anti-corrosion, Anti-foam.
Recommendations:
Oil change: According to manufacturers' requirements and adjust according to your own use.
| Color | Visual | Blue |
| Viscosity Grade | SAE J306 | 75W-140 |
| Density at 20°C (68°F) | ASTM D1298 | 0.903 |
| Viscosity at 40°C (104°F) | ASTM D445 | 170 mm²/s |
| Viscosity at 100°C (212°F) | ASTM D445 | 24.7 mm²/s |
| Viscosity Index | ASTM D2270 | 178 |
| Flash Point | ASTM D92 | 212°C / 413°F |
| Pour Point | ASTM D97 | -36°C / -33°F |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Good product, quite sticky I must say.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Worked for my van insulation
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Good stuff
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Good stuff, easy to use, self adhesive backing contours around curves easily and works great.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Works amazingly, but only if you install it correctly.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you purchasing Siless Liner 157 mil (4 mm) Sound Deadening mat, to block unwanted sounds in your car, this is what you need to buy. But wait! It's not the only thing you need to buy if you want to "actually" deaden sound.
By itself, it will definitely block a noticeable amount of sound, and, most likely, that's all you realistically need. But... But... If you want the Siless Liner Sound Deadening Mat to really help you take it up a few notches, to get the best sound almost bordering on soundproofing, listen up.
You will have to install traditional butyl rubber first. Doesn't have to be the Siless brand, but I'm sure they would love to sell both to you, I used both Killmat (80mil) and Noico (50mil).
I have a Honda S2000. It's a two-seater convertible sports car if you don't know what this car is, and it's loud when I'm driving above 60mph. I also happen to have a sound system installed as well. Other than that, the car is stock. I first installed the butyl rubber on the car's interior sheet metal. I went all out and covered everything I could. I didn't need to but I wanted to. I was extremely impressed with the results. But I wanted to go further. Not because I needed to but because just wanted to see what it would be like.
So I bought Siless Liner 157 mil (4 mm) 36sqft Sound Deadening mat to go on top of the butyl rubber mats. I put this over every area I installed the butyl rubber. I had to be careful of clearance issues since I added a significant amount of underlayment, and you should too.
If you put butyl rubber sound-deadening materials in 50% of the total interior area, you'll hear a noticeable improvement. If you put butyl in about 80% of the total area, you'll be even more amazed at the improvement, compared to before.
I originally did all the above myself, so that's my experience and so your mileage may vary.
I then installed the Siless Liner Sound Deadening mat over every place I could even going further than I could with the butyl rubber. I used the Siles Liner in areas where butyl rubber would not have been effective, such as the roll bar hoop area and large empty cavities or holes.
I covered everything I could, firewall, doors, floor pan, transmission tunnel, trunk, trunk lid, fuel tank area, rear quarter panels, and rear-wheel tunnels, in Siless Liner Sound Deadening Mat.
WOW!! The Siless Liner Sound Deadening Mat was the icing on the cake! Let's not forget, this car is a convertible sports car so it will never be a quiet ride, ever. But I can now actually have a conversation with a passenger at a normal-ish volume! This also means I can now have a normal hands-free phone call without having to plug one ear to block out the noise! My sound system sounds so much better! Just by going through the install process, I looked for any vibration, rattle, squeak, and noise-prone areas to either eliminate or reduce unwanted noise production. If you forget this step, the inside and outside of your car will rattle and buzz. I skipped this step the first time around. But did it right before I installed more butyl rubber and the improvement was impressive, especially inside the car. Outside the car, I didn't notice a difference until I put the last layer of Siless Liner Sound Deadening Mat. The sound deadening mat works both ways from what I can tell. If I turned up my music, as loud as I occasionally do, parked in the attached garage to the house, with the garage door closed, I would be barely able to tell the car was playing music in the garage. It sounds like it is another car, just a little bit down the street, with a very loud base. If you stand 20 feet away outside the car, the sound system is noticeable, but not obnoxious by a long shot.
Get a 3 piece wood/metal roller set as well, which makes quick work of large areas.
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Reviewed in the United States on December 23, 2021
★★★★★ 5
Better than Kilmat
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Great adhesion, and you can immediately see the sound difference when you rap the area and compared it to another area without it. Also, very easy to cut and apply. Once on, you may not be able to peel it and reposition it, so be sure where you want it.
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Reviewed in the United States on March 2, 2026
★★★★★ 3
Not much noise reduction…
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Easy to install but did not provide much sound dampening…
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Reviewed in the United States on April 28, 2026
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