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125351 SEAL, OIL
SKU: 3924
The 125351 is a CAT Pumps oil seal made of medium nitrile (Buna-N), used on CAT 66DX, 3SPX, and 67DX high-pressure plunger pumps. It is the crankcase oil seal that keeps pump oil in while the crankshaft rotates, and CAT lists it as a standard service part for these models. Replace it when the crankcase shows oil weeping or during a pump rebuild to protect the internal bearings and connecting rods from oil starvation. SKU 3924.
Category
Seals
More Seals Parts
0007.43 OIL SEAL
SKU: 6083
SKU 6083 — oil seal #0007.43: retains crankcase oil and excludes water; confirm the part number on your pump's parts diagram and replace with fresh oil.
0009.0106.00 BRASS PACKING
SKU: 1645
SKU 1645 — high-pressure water seal packing #0009.0106.00 for triplex plunger pumps; confirm the part number and your plunger diameter against your pump's parts diagram.
0019.0058.00/19.0103.00 SEALING RING AXDPUMPS
SKU: 3979
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0019.0095.00 OIL SEAL (NEED 3/PUMP)
SKU: 1637
Comet 0019.0095.00 15 x 24 x 5 mm plunger oil seal for LW/LWS/LWR/LWD/ZWD pumps (SKU 1637; 3 needed per pump).