Skip to product information
JT30040B JDG476 ST-198 For John Deere Engine Crankshaft Rear Main Seal Installer

JT30040B JDG476 ST-198 For John Deere Engine Crankshaft Rear Main Seal Installer

Write A Review
Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$152.99
Sale price  $152.99 Regular price 

Available to Order

Usually ships in 2–4 business days.
Tool Model:
Shop at Northline Parts Best Customer Service Best Online Parts

Not sure which part fits your equipment?

Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

The JT30040B JDG476 ST-198 is a specialized tool designed for installing the rear main seal on John Deere engines. It ensures precise and efficient seal placement, helping maintain engine performance and prevent leaks.

  • Tool Model: JT30040B JDG476 ST-198
  • Purpose: Rear main seal installer for John Deere engines
  • Application: Facilitates accurate installation of crankshaft rear main seals
  • Compatibility: Suitable for various John Deere engine models

This item is an aftermarket part, not OEM. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility?
Please verify that your model is listed in the compatible models section and compare any available reference part numbers with your existing component before purchase.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.