Cummins QSB 4.5 Parts - Oil Section Loading... 1 Cummins Oil Pump 3937027 For engines with a rear gear train. Pinions have 23/24 Helix Teeth. For engines with CPL#s 8239, 2377, 1525, 8039, 2109, 2264, 2246, 2302, 2351, 1967, 1268, 741, 594, 1965 Price: $ 110.98 Qty: ^ Pictures In Stock Add to Cart 2 Cummins Oil Pump 4897481 For engines with a front gear train. Pinions have 22/24 Straight Teeth. For engines with CPL#s 0742, 8206 Price: $ 104.45 Qty: ^ Pictures In Stock Add to Cart 3 Cummins Oil Cooler 3921558 7 Plates Price: $ 118.50 Qty: ^ Pictures In Stock Add to Cart 4 Cummins Gasket for the oil cooler cover 3942915 . Price: $ 12.27 Qty: ^ Details In Stock Add to Cart 5 Cummins Oil Cooler Core Gasket 4932124 . Price: $ 26.35 Qty: ^ Details In Stock Add to Cart 6 Cummins Oil Filter 3908616 Spin-on type. 3.66" outside diameter, 5.35" height, thread size: 1-16 UN Price: $ 28.35 Qty: ^ Details In Stock Add to Cart 7 Oil Filter Removal Wrench for Detroit Diesel & Cummins 2321 4-21/32" to 5-5/32" Price: $ 63.29 Qty: ^ Details In Stock Add to Cart 8 Cummins Oil Cooler 3959031 For engines with rear gear train Price: $ 114.59 Qty: ^ Pictures In Stock Add to Cart 9 Cummins Gasket for the oil cooler cover 3974127 . Price: $ 24.53 Qty: ^ Details In Stock Add to Cart 10 Cummins Oil Cooler Core Gasket 2830559 Metal gasket Price: $ 27.54 Qty: ^ Details In Stock Add to Cart 11 Fuel & Oil Pressure Switch - 5 PSI Make/Break 23520023 5 PSI make/break with 1/8 npt Price: $ 87.10 Qty: ^ Details In Stock Add to Cart 12 Fuel & Oil Pressure Switch - 10 PSI Make/Break 23520024 10 PSI make/break with 1/8 npt Price: $ 87.38 Qty: ^ Details In Stock Add to Cart 13 Fuel & Oil Pressure Switch - 20 PSI Make/Break 23520025 20 PSI make, break with 1/8 npt Price: $ 87.66 Qty: ^ Details In Stock Add to Cart 14 Fuel & Oil Pressure Switch - 27 PSI Make/Break 23511819 27 PSI make/break with 1/8 npt Price: $ 48.51 Qty: ^ Details In Stock Add to Cart 15 Mechanical Gauges Standard Mechanical Gauges with Alarm Electrical Gauges 12 Volts Electrical Gauges 24 Volts