Isuzu 4LE1 Rebuild Kit for John Deere 50ZTS Excavators

Description

Isuzu 4LE1 Rebuild Kit: Bring Your John Deere 50ZTS Excavator Back to Full Power

A compact excavator that is down means a job that is late. This Isuzu 4LE1 rebuild kit supplies pistons, cylinder liners, bearings, valves and a complete gasket set for the four-cylinder Isuzu 4LE1 diesel in the John Deere 50ZTS excavator. The kit is built around a 25 mm piston pin hole. Select your bearing sizes and order today.

Kit Contents

The kit ships as one set with every core rebuild part:

• Complete gasket set for the rebuild
• Cylinder liners, semi-finished (one set)
• Pistons, standard size (one set)
• Piston pins (one set)
• Snap rings (one set)
• Rod bushings (one set)
• Piston ring sets, standard size
• Main bearings (one set)
• Connecting rod bearings (one set)
• Thrust washers (one set)
• Intake and exhaust valves (one set)
• Valve guides (one set)
• Intake and exhaust valve seats (one set)

The cylinder liners are semi-finished and need final machining. Pistons, rings, pins and snap rings are standard size. The block, crankshaft and cylinder head are not included.

Key Features

• Specific to the 4LE1. The kit is listed for the Isuzu 4LE1 and specifies a 25 mm piston pin hole, so you can check the fit against your old pistons before you order.
• Full bottom end. New pistons, rings, pins, snap rings and rod bushings go in with fresh main bearings, rod bearings and thrust washers.
• Top end ready. Intake and exhaust valves, valve guides and valve seats let you recondition the head in the same job.
• Pick your bearing sizes. Main and connecting rod bearings are offered in Standard, +0.25 mm and +0.5 mm to suit your crankshaft.
• Cures the usual symptoms. Smoke on startup, oil top-ups every shift and a machine that struggles under hydraulic load often come from worn rings, liners and bearings. A full set of wear parts tackles all three at once.

Compatibility

This Isuzu 4LE1 rebuild kit fits the Isuzu 4LE1 engine in the John Deere 50ZTS excavator. Check the engine code on your nameplate before you order.

Running a John Deere 50C, 75D or 85D instead? Those machines use the 4LE2 engine, so see our Isuzu 4LE2 rebuild kit. Browse every Isuzu rebuild kit in the catalog.

Not sure of your crankshaft size? Measure the journals first. A crank that was never ground normally takes Standard bearings, and a ground crank needs the matching oversize.

Why Choose This Isuzu 4LE1 Rebuild Kit

Owners of compact John Deere machines choose this Isuzu 4LE1 rebuild kit because it keeps the repair straightforward:

• Less waiting. The wear parts arrive in one order, so the teardown keeps moving.
• Know the pin hole before you buy. The 25 mm piston pin hole is stated up front.
• Cheaper than a new engine. Renewing the wear parts keeps a machine you already own earning.
• Fitment help. Send us your engine serial number and we will help you confirm the match. Isuzu engine support information is at Isuzu Diesel Engines.

FAQs

Which machine uses the Isuzu 4LE1 rebuild kit?

The listed application is the John Deere 50ZTS excavator, with the Isuzu 4LE1 engine.

What is the piston pin hole size?

The kit is supplied with a 25 mm piston pin hole. Compare it with your old pistons before ordering.

How do I choose my bearing size?

Measure the crankshaft journals. Standard bearings suit a crank that has not been ground, and +0.25 mm or +0.5 mm suit a ground crank.

Does the kit include the block or cylinder head?

No. The block, crankshaft and cylinder head are not included.

Get the 50ZTS digging again. Select your main and connecting rod bearing sizes and add the Isuzu 4LE1 rebuild kit to your cart. Unsure about fitment? Send us your engine serial number before you order.