1W-6541 / 1W6541 Fuel Pump Plunger Sleeve: The Cost-Effective Choice for Caterpillar Equipment
The 1W-6541 (1W6541) fuel pump plunger sleeve is a premium aftermarket solution engineered specifically for Caterpillar (Cat) construction equipment and heavy-duty trucks. Designed to exact OEM specifications, this component delivers equivalent performance at a significantly lower cost than genuine parts, making it the smart choice for cost-conscious maintenance teams.
As a critical fuel system component, it ensures precise fuel metering and atomization, significantly enhancing the operational efficiency of Caterpillar's robust engines while reducing fuel consumption. Manufactured from wear-resistant alloy materials and subjected to rigorous quality testing, it withstands the demanding conditions of construction, mining, and long-haul transportation, minimizing unplanned downtime.
| Part Name | Fuel pump plunger barrel | Part Number | 1W-6541 / 1W6541 |
| Applicable Brand | Cat | Purpose | Aftermarket Replacement |
| Height | 2.1 in | Length | 4.2 in |
| Applicable Equipment | Cat construction machinery, heavy-duty truck | Applicable Engine | Cat 3406E, C15, 3306B, and other diesel engine series |
| Engine - Generator Set | 3304B 3306B 3306 3304 |
| Track Loaders | 963 931C II 973 935C 935B 943 953 931B 931C 935C II |
| Track-Type Tractors | D6D SR D6GC D3C II D4H III D3B D3C D4B D5H XL D4H D4C D4E D5B D5C D5H D5E D6D D6E D6G D6H D7G D7H D6G2 XL D4H XL D4C II D4E SR 48 143 141 140 D 5 977 963 953 943 3 7 6 5 4 7SU 6SU 4S 4P 5A D5C PATLGP 5P 5S 6A 6S 7A 7S 7U 3S 5A PAT 3P D5C PAT 4A |
| Excavators | 215B 215C 215D E300 EL180 E300B 225B 225D 219D EL300 229D 229 225 235 219 215 E240 EL240 235B E180 EL300B |
| Motor Grader | 120G 12H NA 140H 140G 140H NA 130G 143H 14G 12H 12G 160H 160G 160H NA 12H ES 140H ES |
| Wheeled Dozers/Loaders | 814B 972G 950B 950E G926 916 G910 G916 926 930 936 966D 966C 966F 966E G936 966G 930R 930T 966F II 950B/ 950E 936E 936F 926E 910 |
| Other Applications | Marine Products (3306B, 3304), Industrial Engines, Articulated Dump Trucks (D30D, D350D), Wheeled Skidders (525, 518) |