ATE 36mm Caliper Piston R65

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ATE 36mm Caliper Piston R65

Description Reviews Accessories Bike Fitment

Description

ATE 36mm Caliper Piston R65

ATE replacement piston. These are no longer available from BMW, the Boxer2Valve team has sourced a high quality, European produced, replacement part.

Stainless Steel
Sold Individually

Works in conjunction with the caliper rebuild kit BMW part # 34 11 1 454 809 ( 34111454809 )

If your caliper looks like the caliper below, this is the correct replacement piston:

34 11 1 454 809
34111454809

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Reviews
Write a review

★★★★★ ★★★★★

5/5 Stars out of 2 Reviews

5 ★

2

4 ★

0

3 ★

0

2 ★

0

1 ★

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Verified Buyer

Worked Well!

★ ★ ★ ★ ★

Hunt (Maryland USA) | May 31st, 2025

Very satisfied with this piston. It replaced one that was rusty along the bottom. I cleaned everything well used new rubber seals and success!

Verified Buyer

ATE 38mm Caliper Piston for R65

★ ★ ★ ★ ★

Mark A | February 6th, 2022

Excellent machining, perfect fit in the caliper bores. A great upgrade over the stock steel pistons that tend to rust.

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Bike Fitment

R45

1978 · 1979 · 1980 · 1981 · 1982 · 1983 · 1984 · 1985

R65

1978 · 1979 · 1980 · 1981 · 1982 · 1983 · 1984

R65 LS

1981 · 1982 · 1983 · 1984