Part number

3D78AE3B

Name: Oil Pressure Switch YM121252-39450 for Komatsu Excavator PC20R PC27R PC35R PC45R
SKU: 3D78AE3B
Availability: InStock

Type Cylinder Head Gasket, Heater, Oil Pressure Switch

Fits Komatsu 67 models

3 offers from €8.22

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Oil Pressure Switch YM121252-39450 for Komatsu Excavator PC20R PC27R PC35R PC45R

Part # 3D78AE-3B

FridayParts

United States

In stock

€8.22

9.50 USD at supplier

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Offer details

SupplierFridayParts

Based in

United States

Vendor SKU YUFP2112HP30001597

Checked12 Sep 2026

Cylinder Head Gasket YM119818-01330 for Komatsu Engine 3D78AE-3 Excavator PC20R-8 PC27R-8

Part # 3D78AE-3B

FridayParts

United States

In stock

€36.36

42.00 USD at supplier

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Description

FridayParts is dedicated to providing quality Cylinder Head Gasketfor your For KOMATSUat a reasonable price. Shop today.

Offer details

SupplierFridayParts

Based in

United States

Vendor SKU LXFP220225HS40050170-1

Checked27 Aug 2026

Air Heater 129120-77501 for Komatsu Engine 3D75 3D78 3D84 3D88E 4D84 4D88E

Part # 3D78AE-3B

FridayParts

United States

In stock

€173.14

199.99 USD at supplier

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Offer details

SupplierFridayParts

Based in

United States

Vendor SKU HFP2102705-1

Checked28 Aug 2026

Broader search for 3D78AE3B

Fits these machines

Models listed by the suppliers of this part. 67 in total.

Komatsu

3D78AE-3B3D78AE-3C3D78AE-3A3D78AE-3D3D78N-1B3D84-2D3D84-2E3D84-2GAPC20R-8PC27R-83D72-2GA3D72-2HA3D75-2C3D75-2D3D75N-1YC3D75N-2E3D78-1C3D78-1D3D78-1E3D78-1F3D78N-1A3D78N-1C3D78N-1E3D80-1

Other numbers for this part

Suppliers list these numbers for the same part.

KT1G38632092 YM121252-39450 YMR000473 YM11981032000 YMR000426 S450060252 YM12915035042 YMR001003 RYM11981035300 YMR000406 YM12915035152 YMR001116 and 79 more

About this part

Suppliers: 1
Offers: 3 on this page
In stock: 3 of 3
With a price: 3 of 3 in stock
Prices: from €8.22 to €173.14, avg €72.57

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