S4D102 Engine Overhaul Rebuild Kit for Komatsu S4D102 (4BT3.9) Engine

The S4D102 Engine Overhaul Rebuild Kit is a comprehensive solution specifically designed for the thorough restoration and enhancement of Komatsu’s S4D102 engine, which is also known as the 4BT3.9 engine. This kit includes essential components such as gaskets, pistons, piston rings, cylinder liners, main bearings, rod bearings, thrust washers, and various seals. Tailored to meet the stringent standards of the S4D102 engine, this kit ensures a meticulous overhaul, contributing to improved engine performance, enhanced reliability, and an extended operational lifespan. It provides a reliable and complete package for maintaining and restoring Komatsu S4D102 engines used in various applications.

Get A Quick Quote

We Will Reply You as Soon as Possible.

1 + 3 = ?

Product Description:

Part Name Engine Rebuild Kits Part Number /
Engine model Komatsu 4D102, 4D102E-1A, 4D102E-1B, 4D102E-1B-1, 4D102E-1B-M, 4D102E-1C, 4D102E-1C-1C, 4D102E-1C-US, 4D102E-1G, S4D102E-1AA, S4D102E-1AE, S4D102E-1D, S4D102E-1D-2, S4D102E-1D-N, S4D102E-1E, S4D102E-1E-2, S4D102E-1E-23, S4D102E-1E-2Z, S4D102E-1E-A, S4D102E-1E-T, S4D102E-1E-Z, S4D102E-1E-Z3, S4D102E-1F, S4D102E-1F-2, S4D102E-1F-2U, S4D102E-1F-US, S4D102E-1G, S4D102E-1H, S4D102E-1H-SN, S4D102E-1H-WR, S4D102E-1J, S4D102E-1J-2, S4D102E-1K, S4D102E-1K-2, S4D102E-1L, S4D102E-1M, S4D102E-1N, S4D102E-1N-2, S4D102E-1N-2D, S4D102E-1N-2L, S4D102E-1N-D, S4D102E-1N-L, S4D102E-1V, S4D102E-1V-2, S4D102E-1X, S4D102E-1X-2, S4D102E-1Z-TN Application Fit for the following models:

Komatsu Excavator: PC130-6, PC100-6, PC60-7
Komatsu Dozer: D31P-20, D31S-20E, D37-5, D50P
Komatsu Wheel Loader: WB146-5, WB142-5

not only this model.

Parts include 1 Set of Overhaul Gasket Kit
1 Set Cylinder Liners (Semi-finished product)
1 Set Pistons STD
1 Set Piston Pins
1 Set Snap Rings
1 Set Rod Bushings
1 Set Rings Pistons STD
1 Set of Main Bearings
1 Set of Rod Bearings
1 Set of Thrust Washer
1 Set Intake/Exhaust Valves
1 Set Valve Guides
1 Set Intake/Exhaust Valves Seats
Cylinder  Configuration 4 in-line
Conditions New and in-stock Warranty 1-12 Months
Delivery  DHL, FedEx, EMS, UPS, Or by Air/ Sea Quality High quality
Package Neutral packing Payment Terms T/T, Paypal, WestUnion, etc
Lead Time 515 Days Delivery Time 5~20 Days


 1) Please confirm according to the correct part number instead of just a model!

2) if the engine detais you need are not in our above list, please further contact us to check for you. Maybe some information are not updated


Global Shipping

Fast, low cost shipping to the USA, within Canada and worldwide

Satisfaction Guaranteed

One year warranty on all remanufactured excavator components

Related Articles

How much horsepower does a turbo add?

What Is Horsepower (HP)? Horsepower (hp) is a unit of measurement of power. One horsepower is approximately equivalent to 745.7 watts (W). Horsepower originates from the work of the 19th-century British engineer James Watt. Watt used it to measure the power of steam engines. How Much Horsepower Does A Turbocharger Add? For decades,turbochargers have been […]

What Are the Differences Between Turbocharger And Supercharger?

Sometimes there’s a little confusion between the turbocharger and the supercharger, because the presence of “chargers” in their names making it easy to perceive turbochargers and superchargers as interchangeable engine components.But there are a few important differences, and they’re at different ends of the vehicle spectrum. What Is Turbocharger? A turbocharger is a device that […]

Aprilparts® are service and trade mark of CMP Technology Co., Limited. All other marks including KOMATSU®, KOBELCO®, HITACHI®, CATERPILLAR®, CAT®, HYUNDAI®, VOLVO®, SUMITOMO®, KATO®, DAEWOO®, DOOSAN® are registered trademarks of their owners. CMP Technology Co., Limited. has no relationship with them, and these marks on our webs are only for reference.

Copyright 2024 Aprilparts | All Rights Reserved | Designed by Nocti