Lucas Oil 10121 SAE 75W-140 Synthetic Transmission and Differential Lube - 1 Quart-Gear Oils

Product Information

Product Information Technical Details
BrandLucas Oil
Model10121
Item Weight2 pounds
Product Dimensions3.2 x 3.2 x 12 inches
Item model number10121
Exterior Smooth
Manufacturer Part Number10121
OEM Part Number 10121
Additional Information
ASINB000BCKWVE
Customer Reviews 4.7 out of 5 starsSee all reviews 57 reviews 4.7 out of 5 stars
Best Sellers Rank#7,487 in Automotive (See best players)
#13 in Automotive > Oils & Fluids > Oils > Gear Oils
Shipping Weight2.3 pounds (View shipping rates and guidelines)
Domestic Shipping Item could be shipped within U.s.
International Shipping This item could be transported to select countries outdoors from the U.s. Learn More
Date First AvailableSeptember 15, 2005
Warranty & Support warranty, parts: Parts Feedback Would you like to give feedback on images or tell us about a lower price?

Customer Reviews

57
5 star 79%
4 star 16%
3 star 5%
2 star
1 star
See all 57 customer reviews Share your thoughts with other customers Write a customer review

Most Helpful Customer Reviews

6 of 6 people found the following review helpful Good product
By Matt Fisher on December 14, 2011
Used this oil within my 2006 Ram pickup using the limited slip differential. My differential is quieter and I love that no extra additive is required for that limited slip.Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 5 of 5 people found the following review helpful Works in Vari-Locks (Grand Cherokee)
By A Few Human on March 20, 2014 I am not really a lubricant fanboy and avoid using every other Lucas products but these items is effective in Quadra-Drive or varilock differentials like old Grand Cherokees included. No extra additive needed.
just FYI for any Grand Cherokee owners2 Comments Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 3 of 3 people found the following review helpful Works together with limited slip diffs, no friction modifier needed
By John on October 2, 2010
I had been pleased to discover I didn't have to add more friction modifier with this particular oil. It is able to use within both standard and limited slip differentials. No complaints after by using this on my small 04 f150. I've not experienced any chatter in the limited slip and gears feel smooth. GREAT OIL and great price on , Highly suggested!Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 1 of 1 people found the following review helpful Good for older cars!!!
By Hummernigz on September 7, 2014 Good for older cars!!! for those who have five years or older vehicle/ van/ truck this Lucas 75w-140 is right for you!!! it's thicker compared to 75w-90. Older cars needed thicker oil since the older they get gears have put on and tear.
--Check just how much oil capacity you'll need. most cars need 1.5 Litters most 2.5 litters..check!!!
--Always take away the fill nut first then your drain nut.
--All differential in Auto have torque specs...so search what torque you'll need for the vehicle whenever you plug the nut in.
--do not spill an excessive amount of within the floor...it smells weird and bad! HAHAComment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 1 of 1 people found the following review helpful Good stuff
By Jonathon Reynolds on August 26, 2014
This is an excellent product, I place it behind my Nissan Titan. It requires 2.2 Qts but I only buy 2 of these. I change it out frequently and so i dump old stuff from bottom hole into gallon bucket. Make sure to Clean from the magnetic secure great. That old fluid always looks Good and so i go ahead and take tiny bit from the old stuff to finish it off On level ground.
Do not take in the old stuff for those who have never altered it before or it really is old.
Or simply buy 3 bottles and you will have more for the next time....Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 1 of 1 people found the following review helpful Quieter differentials on 98 Mountaineer
By Alex A. on November 11, 2013
Did a front and rear differential lube job on my small 1998 Mercury Mountaineer. I think the diffs had not been serviced before because they were postponing a higher-pitched whine. The diff oil levels were not low but I am guessing after 14 years and 160k miles the viscosity had damaged lower. Following the lube job, the differential whine is reduced, especially at highway speeds.Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again Seems to work well
By Nalon1 on June 25, 2014
I desired to perform a fluid change around the rear diff of my 2002 F150 with factory limited slip.
I have not used any Lucas product before, only seen their oil additives (and that i avoid using additives whatsoever, Lucas or any other brands).
I've read some bad reviews of Lucas gear oils, but most appear to become complaining of issues in transmissions or transfer cases, not differentials, And So I figured try it. It meets all of the specs and is cheaper than other synthetic fluids of the same viscosity (even less expensive than Supertech 75w-140 synthetic from Walmart). Used to do notice this fluid doesn't have as strong a bad smell like some gear oils do. Still it smelled, but less bad as others I have tried personally before.
I altered the fluid without any major issues and it appears to operate all right. Used to do add some Motorcraft XL-3 Friction Modifier towards the differential. The Lucas fluid should really contain Friction Modifier and it states you don't need to increase the, but I have come across lots of people getting rear finish chatter using the OEM Ford LS regardless of what fluid can be used unless of course the Ford friction modifier is mixed in, And So I made it happen.
I had been getting some chattering in the rear finish when you are performing sharp turns from the stop before I altered the fluid, no issues whatsoever following the change.
I only gave it 4 stars for the time being since I'm not sure lengthy term how this fluid stands up. If it's still good each year, I'll change it out to five stars. By at this time, I wouldn't hesitate for doing things again.
edit: well, It's a year later and absolutely nothing to report except truck continues to be running fine without any noise or leaks in the rear finish. Appears just like a solid option for gear oil for me personally. Is going to be on top of my list basically require more. five star rating now.Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again 1 of 1 people found the following review helpful Only stuff I personally use. Keeps gears nice and Quiet.
By Adam Stephens on Feb 7, 2011
Can't fail with lucas. I have used this and Royal Crimson and the oem stuff and I have to admit things are just little more quiet with lucas and the cost point is excellent compared to other products.Comment Was this review useful for you? Yes No Delivering feedback... Appreciate your feedback.If the review is inappropriate, Please tell us. Sorry, we unsuccessful to record your election. Please try again See all 57
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