Filter by
Categories
Machine
Engine
Machine type
Perkins series
CAT series
Isuzu series
Outer bush diameter (mm)
Inner bush diameter (mm)
Bush height (mm)
Flanged bush
Bush material
Cylinder rod diameter
Cylinder barrel diameter
MM MM
Wear pad length (mm)
Wear pad width (mm)
Wear pad height (mm)
Wear pad diameter (mm)
Bearing type
Inner bearing diameter (mm)
Outer bearing diameter (mm)
Bearing height (mm
Bushing shell type
Pin pivot diameter
Pin pivot length
Diameter
Outer diameter
Inner diameter
Height
Rim size (inches)
Width (inches)
Width
Number of links
Pitch
Bucket width
cm cm
Length
Wheel diameter (inches)
Wheel width (inches)
Track width
Manufacturers
Filter

  • Premium quality radiators

    Premium quality radiators
Featured Categories
Information
Brands

Store information

Poland
HYDRO CZĘŚCI JAKUBIEC SPÓŁKA JAWNA
Kapitałowa 4
35-213 Rzeszów
Call us:
+48 17 229 37 05
NIP: 8133391713

Engine Block and Crank Mechanism – Perkins, CAT, Isuzu

Major engine overhaul starts here. We offer key "bottom end" components – from crankshafts to cylinder repair kits. As a KMP Brand distributor, we guarantee OEM-spec parts for engines:

  • Perkins: Series 1004, 1100 (1104C/D), 4.236, 1006.
  • CAT (Caterpillar): 3054, 3056, C4.4.
  • Isuzu: Series 4HK1, 4BG1, 4JJ1 (JCB tracked excavators).
In Stock
KMP Brand Parts
Selection by Engine No.
Doing a major rebuild? One mistake in piston selection can cost thousands. Send a photo of the engine data plate – we will choose the perfect repair kit.
Verify by WhatsApp

There are 669 products.

Sort by:
Newest First Name, A to Z Name, Z to A In stock first
Showing 1-25 of 669 item(s)
Back to top
BLOCK

Piston & Crank Mechanism (KMP Brand & Perkins)

The solid foundation of your engine. We offer components made of materials with increased thermal resistance, ideal for high-stress Turbo units:

  • Pistons, Rings, Liners: Cylinder repair kits. Available pistons with Al-fin inserts (reinforced ring groove) and liners (unfinished or finished/honed).
  • Crankshafts: New forged crankshafts (standard size), ready for installation without grinding.
  • Bearings: Main, conrod (big end), and thrust bearings in a full range of sizes (STD, 0.25, 0.50, 0.75).

Timing, Connecting Rods, and Housings

In addition to the main rotating elements, the Engine Block category includes complete mechanical ancillaries:

  • Connecting Rods: Checked for axial alignment, small end bushes also available.
  • Timing Components: Timing gears, belt tensioners, and timing belts (for OHC engines).
  • Housings and Covers: Aluminum timing covers (often cracked in collisions) as well as flywheels and ring gears.

💡 Assembling the engine block?

After rebuilding the bottom end, sealing is essential. Don't forget to add to cart:

Frequently Asked Questions (FAQ)

Are KMP Brand crankshafts forged?

Yes, most KMP crankshafts for Perkins and CAT engines are forged, which ensures significantly higher resistance to twisting and cracking compared to cheaper cast replacements.

How to choose the right piston kit?

The engine number (e.g., AK, RG, RE) is key. Manufacturers used different combustion chambers and piston heights in the same machine model. Provide us with the number from the block – we will select the correct type.

What does a "Cylinder repair kit" contain?

A standard single-cylinder kit contains: a piston, a ring set, a gudgeon pin with clips, and a cylinder liner (unless it is a parent bore engine without liners).

Need a quote for a full rebuild?

Send us a list of required parts or just the engine number. We will prepare a comprehensive offer for KMP Brand parts (Pistons, Crankshaft, Bearings, Gaskets) at a special package price.

Go to Contact Form