Absolutely - excellent product. Have used their gear oil in my tranny on old Porsches for years. The product has a near cult following in the older 911 crowd, it is considered a "must" use item....It can be hard to find sometimes. I used Lucas gear oil in my 300D transaxle.

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Chris
1983 300SD Cypress Green
1984 300 Turbo Diesel Petrol Blue Green (Sold...)