PUMP AS-FUEL INJECTION 4631678 - Caterpillar



4631678 PUMP AS-FUEL INJECTION Caterpillar parts
Rating:
78
Alternative (cross code) number:
CA4631678
463-1678
4631678
Caterpillar 4631678 PUMP AS-FUEL INJECTION
Weight: 16 pounds 7 kg.

Buy PUMP AS-FUEL INJECTION 4631678 Caterpillar genuine, new aftermarket tractor parts with delivery

Related part:
4631678  PUMP AS-F INJ  20R4819  R

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$1,324.68

22 Nov 2025

CN: CXX CAR PART
Fuel Injection Pump 9521A031H 463-1678 4631678 Compatible with Perkins Compatible with Caterpillar C7.1 Engine 320D 320D2 323D3 Excavator
SINGNALBV Part Number: 4631678 463-1678 9521A031H || Vehicle Application:For Caterpillar 320D 320D2 323D3 Excavator || Engine Model: Compatible with Perkins and Caterpillar C7.1 Engines || Helpful Reminder: Kindly verify your part numbers prior to ordering. If unsure, feel free to provide us with your engine model or the fuel pump part number for assistance. || Service includes a 5-month warranty and around-the-clock customer support. If you have any questions about the product, please don’t hesitate to reach out to us via email.
$1,379.98

22 Nov 2025

CN: BubblyHaven
9521A031H Fuel Injection Pump Compatible with Caterpillar CAT Engine C7.1 Excavator 320D 320D2 323D3 4631678 463-1678
DorkTees Part Number: 9521A031H 4631678 463-1678 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Part Name: Fuel Injection Pump || The model of the engine is C7.1. || Compatible with Caterpillar CAT Engine C7.1, this part works seamlessly with Excavator models 320D, 320D2, and 323D3. Engineered to meet machine requirements, it ensures optimal performance and reliability. A cost-effective solution for maintenance, trust in its compatibility and durability to keep your excavator running smoothly. || Included in the package is one piece of Fuel Injection Pump with part numbers 9521A031H, 4631678, and 463-1678.
$1,325.68

22 Nov 2025

CN: CXX CAR PART
Fits Compatible with Caterpillar CAT Excavator 320D2 320D2GC Engine C7.1 Fuel Injection Pump 398-1498 463-1678 CA3981498
SINGNALBV Part Number: 398-1498 463-1678 CA3981498 || Part Name: Fuel Injection Pump || Engine Type: C7.1 || Compatible with Caterpillar CAT Excavator 320D2 and 320D2GC models equipped with the C7.1 engine. || Package contains: 1 fuel injection pump, model numbers 398-1498, 463-1678, CA3981498
Number on catalog scheme: 7
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Caterpillar parts catalog:

Caterpillar parts catalog
323D3 Excavator FEY00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 Excavator XBA00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators ESG00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 L Excavator XCC00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 Excavator DFM00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators KHR00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators LMA00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators DNP00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators GBA00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators YEA00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 GC Excavator JFM00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 Excavator XBB00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators TDN00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators KBS00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators LCA00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 Excavator MDJ00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators NBF00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavators RDZ00001-UP (MACHINE) POWERED BY C7.1 Engine
320D2 & 320D2 L Excavator DNS00001-UP (MACHINE) POWERED BY C7.1 Engine


Information:

Features/Benefits
* Replaces cancelled 4C-8241 Valve Lash Setting Gauge* Used to provide quick, accurate valve lash settings on all 3500 Engines* Dial indicator eliminates guesswork by measuring exact valve gap (greatly reduces time needed to accurately adjust valves)* Base assembly has an inner and outer sleeve: inner sleeve puts tension on rocker arm; outer sleeve puts pressure, in opposite direction, on valve bridge assembly; dial indicator measures gap to determine exact valve settingSpecifications/Technical Information
Indicator diameter - 57 mm (2.25 inch)Graduations - (.001 inch)Dial reading - 0-50-0Range - (.250 inch); Total - (.100 inch) per revolution
Assembled Valve Lash Setting Tool(1) 125-2742 Base Assembly [for 3500]. (1) 125-2744 Base Assembly [for 3500B, not shown]. (2) 6V-2057 Contact Point [part of 125-2743]. (3) 125-2743 Collar Group. (4) 4C-8246 Indicator. (5) 9U-6272 Nylon Screw [part of 125-2743]. Not shown: 6V-2030 Indicator Extension [part of 125-2743].

Parts pump Caterpillar catalog: