1991 Thomas School Bus Engine Water Pump
Navigate our online catalogue to find original replacement Engine Water Pumps specifically designed to fit a 1991 Thomas School Bus.





Engine Water Pump
$81.47 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: 6BT5.9; Engine Manufacturer: Cummins;
Engine Designation: 6BT5.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
B Series New Style ISB Engine
B Series New Style ISB Engine





Engine Water Pump
$81.78 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Standard Duty
Standard Duty





Engine Water Pump
$174.26 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Short Nose
Short Nose




Engine Water Pump
$187.82 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
3208 with pulley
3208 with pulley




Engine Water Pump
$173.40 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
3208 Without Pulley
3208 Without Pulley




Engine Water Pump
$357.24 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Engine Designation: 3208; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
3208 With threaded pulley
3208 With threaded pulley





Engine Water Pump
$98.95 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
High Performance Replacement
High Performance Replacement





Engine Water Pump
$423.76 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
V-Belt Driven 3.75" Pulley 2 Unthreaded Hose Connections
V-Belt Driven 3.75" Pulley 2 Unthreaded Hose Connections





Engine Water Pump
$423.91 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
V-Belt Driven 4.37" Pulley
V-Belt Driven 4.37" Pulley





Engine Water Pump
$374.86 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Engine Base: 6.6L 403ci L6; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
V-Belt Driven 3.75" Pulley 1 Unthreaded Hose Connection
V-Belt Driven 3.75" Pulley 1 Unthreaded Hose Connection





Engine Water Pump
$111.88 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Long Nose w/o Hardened Pulley
Long Nose w/o Hardened Pulley





Engine Water Pump
$175.38 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Long Nose w/ Hardened Pulley
Long Nose w/ Hardened Pulley