3770400 Exhaust Valve Insert for Caterpillar

The 3770400 exhaust valve insert is used in Caterpillar equipment and engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is listed for the following Caterpillar equipment models and engine applications:

Asphalt Pavers

• AP-1000E
• AP-1055E
• AP-555E
• AP-600D
• AP-655D
• BG500E
• BG600D
• BG655D

Backhoe Loaders

• 420E
• 430E
• 450E

Compact Wheel Loaders

• 914G

Excavators

• 320D GC
• 320D L
• 323D L
• 323D2 L

Generator Sets

• C4.4
• C6.6

Industrial Engines

• C4.4
• C6.6
• C7.1

Integrated Toolcarriers

• IT14G
• IT14G2
• IT38H

Knuckleboom Loaders

• 559

Load Haul Dumps

• R1300G II

Motor Graders

• 120M
• 12M

Pipelayers

• PL61

Pneumatic Compactors

• CW-34

Pumpers

• SPF343C

Track Loaders

• 953D
• 963D

Track-Type Tractors

• D3K XL
• D4K XL
• D5K LGP
• D5R LGP
• D6K
• D6K LGP
• D6K XL
• D6K2
• D6N

Vibratory Compactors

• CB-54
• CB-54B
• CB-64
• CP-44
• CP-56
• CP-64
• CP-76
• CS-44
• CS-54
• CS-54B
• CS-56
• CS-56B
• CS-64
• CS-68B
• CS-74
• CS-74B
• CS-78B

Wheel Feller Bunchers

• 2470C
• 553C

Wheel Loaders

• 924H
• 924HZ
• 924K
• 928H
• 928HZ
• 930K
• 938H
• 938K
• 950 GC

Wheel Skidders

• 535D
• 545D

Wheel Tractor-Scrapers

• 613G

Wheeled Excavators

• M313D
• M315D
• M315D2
• M316D
• M317D2
• M318D
• M318D MH
• M322D
• M322D MH

Specifications