Replace pump - Bosch VE - for John-Deere engines with Stanadyne DE2635-5964 . The Bosch VE series is well known as very durable quality, even in poor fuel situations. This VE replace pump is modified in our workshop to match with the Stanadyne characteristics. Its not an Bosch standard pump. Injection pipes length/shape and gas wire need do be adjusted by customer. We need to get back your malfunction Stanadyne or core deposit 400.- Euro will be billed. John Deere 7520, 6068