Cummins 4b 3.9

4B 3.9

Cummins Replacement Engine Parts (CDC 4.390) Naturally Aspirated
Non-Emission 239 Cubic Inch Piston Std. Marked: 6223
CPL: 591*, 681, 721*, 725, 843, 895, 981, 1172, 1259, 1312, 1522, 1932 *Marine Engine

KEY PART # DESCRIPTION REFERENCE INFO

1 OK2060/4 Engine Overhaul Kit Std

1 OK2062/4 Engine Overhaul Kit 0.50mm

1 OK2064/4 Engine Overhaul Kit 1.00mm

2 IK2060/4 In-Frame kit Std

2 IK2060/40 In-Frame kit .50mm

2 IK2060/4 In-Frame kit 1.00mm

3 C3802060 Piston Kit Std.

3 C3802062 Piston Kit 0.50mm

3 C3802064 Piston Kit 1.00mm

4 C3904166 Repair Sleeve

5 C3802010 Main Bearing Set Std.

5 C3802011 Main Bearing Set 0.25mm

5 C3802012 Main Bearing Set 0.50mm

5 C3802013 Main Bearing Set 0.75mm

6 C3901170 Con Rod Bearing Std.

6 C3901171 Con Rod Bearing 0.25mm

6 C3901172 Con Rod Bearing 0.50mm

6 C3901173 Con Rod Bearing 0.75mm

7 C3904353 Front Seal

8 C3353978 Rear Seal

9 C3907803 Crankshaft

10 C3906080 Front Seal Sleeve

11 C3906081 Rear Seal Sleeve

12 C3912473 Rectangular Seal

13 C3901258 Crankshaft Gear

14 C3804896 Top Gasket Set

14 C3802375 Bottom Gasket Set

14 C3921393 Head Gasket

14 C3931602 Oil Pan Gasket

14 C3902666 Valve Cover Gasket

14 C3916131 Gear Housing Gasket

14 C3928493 Rear Cover Gasket

15 C3901085 Bushing, Piston

16 C3901306 Bushing, Cam

17 C3900919 Bolt, Con Rod

18 C3901569 Con Rod

19 C3944593 Bolt, Ex. Manifold

20 C3925582 Camshaft

21 C3925031 Tappet

22 C3904679 Push Rod

23 C3910811 Rocker Arms 4

23 C3910810 Rocker Arms 4

24 C3907431 Camshaft Gear

25 C3904408 Guide, Valve Thick W. 60.50mm IN

25 C3904409 Guide, Valve Thick W. 51.75mm EX

25 C3906206 (2) Guide, Valve Thin Wall

25 C3802355 Intake Valve Kit Consists of:
C3901117 Valve x1
C3900250 Collet x2

25 C3906854 Insert, Intake Valve

25 C3802356 Exhaust Valve Kit Consists of:
C3901607 Valve x1
C3900250 Collet x2

25 C3904105 Insert, Exhaust Valve

25 C3900276 Spring, Valve 8

25 C3921640 Seal, Valve 8

25 C3900299 Retainer, Valve 8

26 C3921557 Oil Cooler 5 Plate

27 C3926760 Oil Cooler Gasket

28 C3929792 Oil Cooler Gasket Filter Head

29 C3802358 Water Pump

30 C3906698 Water Pump Seal

31 C3802273 Thermostat

32 C3926202 Oil Pump

32 C3918000 Lift Pump

33 C3904374 (3) Lift Pump

34 C3920005 Cylinder Head (With Valves)

43 C3920779 Head Bolts 4

43 C3920780 Head Bolts 10

(1) Sold in Pairs.
(2) May be Used on Both Intake and Exhaust.
(3) Diaphragm Style
(4) Do not use on Marine Engines.

Diesel Engine Parts Also Available: Piston, Liner, Main Bearing, Thrust Bearing, Con Rod Bearing, Front Seal, Rear Seal, O/H Gasket Set, Con Rod, Oil Pump, on them Oil Cooler, Rocker Arm, Rocker Shaft, Oil Pump Tube, Lower Gear, Lower Bushing, Upper Gear, Upper Bushing, Cam, Water Pump, Fuel Transfer Pump and more... Call or email us for a price quote for your diesel engine parts...