Connecting rod bearings, MM437983, Mitsubishi, K3B, K4B
search
3 osoby oglądają ten produkt
  • Connecting rod bearings, MM437983, Mitsubishi, K3B, K4B
  • Connecting rod bearings, MM437983, Mitsubishi, K3B, K4B
  • Connecting rod bearings, MM437983, Mitsubishi, K3B, K4B
  • Connecting rod bearings, MM437983, Mitsubishi, K3B, K4B

Connecting rod bearings / STD / Ø 42 x 22 mm / Mitsubishi K3B / K4B / MM437983

Product code: CRB_K3B
Brand 4FARMER
Country of production 4FARMER
zł55.00
Includes VAT 23%

Lowest price from 30 days: zł55.00

Delivery options

Loading delivery options...

No delivery options available for this product.

*Delivery costs are estimated. You will find the exact delivery costs in the final step of your order.

No delivery options available for this product.

Product description

Standard size connecting rod bearings (STD), 22 mm wide, outer diameter after folding 46 mm and 1.40 mm thick for Iseki tractors Iseki TX155, Iseki TX1000, Iseki TX1510, Iseki TX2160, Iseki TU140, Iseki TU145, Iseki TU1500 series, Mitsubishi brand Mitsubishi D1550 series, Mitsubishi MT470, Mitsubishi MT1401, Mitsubishi MT1801 series, Satoh brand Satoh S470 series, Satoh ST1520, Satoh ST1540, Satoh ST2020, Satoh ST2040 series with Mitsubishi K3B, Mitsubishi K4B and other engines.

Connecting rod bearings are elements whose main task is to reduce friction at the point of connection of the connecting rod to the crankshaft. Bearings are two separable, semicircular elements that, when installed, create a circle. Bearings (although not all types) also have a small groove or cut through which the lubricant is distributed. The most common reasons for rapid wear of connecting rod bearings are: using oil with incorrect viscosity parameters, improper installation of bearings, failure to comply with oil change intervals, low engine oil level, overloading the engine that has not reached the correct temperature.

Dimensions :

  • outer diameter: 46 mm,
  • inner diameter: 42 mm,
  • width: 22 mm,
  • thickness: 1.40 mm,
  • original part numbers: MM437983.

Tractor models :

Iseki :

  • Iseki TX155,
  • Iseki TX1000,
  • Iseki TX1510,
  • Iseki TX2160,
  • Iseki TU140,
  • Iseki TU145,
  • Iseki TU1500.

Mitsubishi :

  • Mitsubishi D1550,
  • Mitsubishi MT470,
  • Mitsubishi MT1401,
  • Mitsubishi MT1801.

Satoh :

  • Satoh S470,
  • Satoh ST1520,
  • Satoh ST1540,
  • Satoh ST2020,
  • Satoh ST2040.

Engine models :

Mitsubishi :

  • Mitsubishi K3B,
  • Mitsubishi K4B,

The first signs of wear of connecting rod bearings are an unnatural, steady knocking coming from the engine. Worn bearings must be replaced with new ones as soon as possible, replacing the faulty element too late can cause serious damage to the shaft, connecting rod or engine.

Warehouse :
K18:F17:S02

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years.

Specifications

Condition
New
Engine model
- Mitsubishi K3B

Reviews of Connecting..

Traktor.com.pl S.C. Wojciech i Miłosz Początek Reviews with ekomi-pl.com

This product has no reviews yet.

We collect reviews from verified Customers after the purchase of the product.

Write your review

Review form will be here

Questions & Answers

Why is regular filter replacement (oil, air, fuel) crucial for a mini tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
Regular filter replacement is the easiest way to extend the life of an engine from brands like Kubota or Yanmar. The oil filter removes metallic contaminants generated during operation, the air filter protects the cylinders from field dust, and the fuel filter prevents water and dirt from damaging the precision injection system. We recommend replacing filters every 50-100 operating hours or at least once per season to ensure optimal engine performance.

How to properly select and sharpen mower blades for a Japanese tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
When selecting mower blades, consider the mower deck model and the blade length and center bore diameter. Maintaining blade balance is crucial when sharpening – an unbalanced blade causes vibrations that damage the hub bearings. Remember that sharp blades mean healthier grass, a cleaner cut, and less strain on the engine of your Iseki or Mitsubishi tractor.

How to identify the correct V-belt size and how to care for it?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
It's best to read the markings on the side of the old V-belt. If they are illegible, measure the belt width and its outer length (La). On Shibaura and Hinomoto tractors, it's important to regularly check the belt tension – too loose a belt will cause slippage and faster wear, while too tight a belt can cause alternator or water pump bearing failure.

Advisor

Schedule a call with an advisor

Contact us to get professional advice about this product