Add to favorites
Crankshaft Rear Main Seal Installer for JOHN DEERE 4000, 4010, 4020, 4040, 4230, 6404, 6466, 6076 7.6L Replace JDG476 JDG477 JDG478 by GearUp - Used condition

Crankshaft Rear Main Seal Installer for JOHN DEERE 4000, 4010, 4020, 4040, 4230, 6404, 6466, 6076 7.6L Replace JDG476 JDG477 JDG478

Brand: GearUp

Condition: Used
$8363
$9599
-13% Save $1236
Updated: 9 days ago

Description

【Wide Application】:This professional seal installer tool is engineered specifically for John Deere models including 3010, 3020, 4000, 4020, 4320, 4520, 4620, 4230, 4430, 4630, 8430, and many more (compatible with 4050 W/466 ONLY, 4250, 4450, 4650, etc.). It is also designed for a broad range of AG & Industrial equipment powered by the 270, 404, 466, 6076, 7.6L, and 8.1L engines, ensuring versatile application across your fleet.

【OEM Number】:It is designed to work seamlessly with OEM seals including RE520036, DZ111672, RE530121, RE504363, RE524227, RE22764, AR34682, and AR30382.

【Professional-Grade Installation】:Achieve fast, accurate, and leak-free seals​ every time. This tool allows you to simultaneously install the Teflon unitized seal and wear sleeve​ onto the engine rear crankshaft flange with precision. The guided design prevents damage to delicate seal surfaces, ensuring a perfect fit and optimal long-term performance without costly rework.

【Innovative Time-Saving Design】:The installer’s integrated pilot driver​ centers and guides the seal directly into the housing without the need for a dial indicator, drastically simplifying the installation process. This custom design for John Deere tractors and combines saves valuable labor time and reduces the risk of installer error, keeping your equipment in reliable operation.

【After-Sales Service】:We promises the JDG476 90 days for return or replacement without reason.If you have any problems or questions, please send a message to us and we will respond in time.

【Innovative Time-Saving Design】:The installer’s integrated pilot driver​ centers and guides the seal directly into the housing without the need for a dial indicator, drastically simplifying the installation process. This custom design for John Deere tractors and combines saves valuable labor time and reduces the risk of installer error, keeping your equipment in reliable operation.

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0gj552n57
Model:
ZYDYY236
Country:
US
ASIN:
B0GJ552N57

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $12 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for GearUp products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.