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Right Angle Gear Speed Reducer 56C 20:1 Size 40 (Left Output) | TUM4020-L

Marsoni M251S
Sale price$174.99
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Right Angle Gear Speed Reducer 56C 20:1 Size 40 (Left Output) | TUM4020-LDimensions PDF Product Details : Right Angle Gear Speed Reducer 56C 20: 1 Size 40 (Left Output) TUM4020 L Part No: TUM4020 L Product Category: Universal Series: TUM Type: Gear Speed Reducer Size: 40 Shaft Output: Left # of Outputs: 1 Ratio: 20: 1 Flange: 56C Input Bore (U): 5 8" *7V** (IN): 3 16*32 LOutput Shaft (S): 1 3 8" Output Shaft (S): 5 8" *WY** (IN): 3 16*3 32 LA (IN): 5. 875" LB (IN): 4. 5" LC (IN): 6. 5" LE (IN): 0. 157" Z1 (IN): 0. 433" A
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Helen
Waukegan, US
★★★★★ 5
Top-Quality Oil — Engine Runs Smoother
Liqui Moly is the best. My engine runs quieter and smoother after using this oil. Great protection, high quality, and totally worth it. If you care about your car, this is the brand to trust
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
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NoName4U
Fort Morgan, US
★★★★★ 5
Best Oil Brand Available
Best automotive oil on the market. Only brand I will use in my cars. Used specifically for a 2018 BMW X5.
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Reviewed in the United States on February 27, 2026
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Bob
Boise, US
★★★★★ 5
Good product
works well for bmw.
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Reviewed in the United States on January 21, 2026
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SChain
Whiting, US
★★★★★ 5
Great oil and makes my engine run quieter
I noticed the engine running much quieter using this oil. The pour mouth is pretty unique for this brand, you can just open the interior cap, pull up the accordion neck and pour into the engine which provides better control over traditional wide mouth, thus less messy. This oil rarely goes on sale and is typically 1.5x to 2x more expensive than the more common US brands.
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Reviewed in the United States on August 28, 2025
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Cooch
Waukegan, US
★★★★★ 5
Best synthetic oil BMW
Excellent synthetic oil BMW 328I
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Reviewed in the United States on February 6, 2026

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