Fast delivery within 72 Hours

Cummins C-Series Engine Rebuild Kit, New (OH3800320)

โ€“ Replace Part Number: OH3800320
โ€“ Fit for: Cummins applications; confirm fitment
โ€“ Built to OEM specs for a proper fit
โ€“ Send us an inquiry for price

Engine Serial Number (ESN) โ€” Have your engine serial number? Enter it here. We can use it to help review whether this part matches your engine.
SKU: P0264794
30-Day Money Back

Hassle-free 30-day return policy for a risk-free shopping experience.

3 Months Warranty

Enjoy 3-month warranty, ensuring long-lasting reliability and peace of mind.

2-7 Days Fast Delivery

Receive your order within 2 to 7 days, ensuring fast and reliable delivery.

24/7 Service

Round-the-clock support to assist you whenever you need it.

  • 30-Day Money Back
  • 2-7 Days Fast Delivery
  • 6 Months Warranty
  • 24/7 Service

Product Details

Having problems with your Cummins C-Series? A new engine rebuild kit from 4BTdiesel may be just what you need!

Extend the life expectancy of your C-Series engine with a quality engine rebuild kit from the certified diesel experts. All engines hit this point eventually โ€“ you need an Engine Rebuild Kit to keep things running. So where do you go? Naturally, you try the OE Engine Rebuild Kit. It’s pricey, but it has everything you need, right? Believe it or not, some OE Engine Rebuild Kits come with used parts. would you do an engine rebuild with used parts? No way.

We believe in only using new, high quality parts in our Cummins C-Series Engine Rebuild Kits. Each part follows OE specifications and tolerances, so you’re getting the best quality without breaking the bank. Our Rebuild Kits are manufactured in an ISO 9001 Certified Facility, and are built with hard-wearing materials for long-lasting durability.

As an added bang for your buck, each new, engine Rebuild Kit for Cummins C-Series comes with zero core charge and support from our professionally certified factory mechanics who are available to answer any of your questions from purchase to installation. Count on 4BTdiesel for technical knowledge, quality products, fast shipping and helpful customer service..

What Rebuild Kit and Gasket Set Includes

Qty Component Part Number
6 Piston Pins 3901597, 3934046, C3934046, CUM3901597
6 Piston Kits 3800320
6 Piston Ring Sets 3802538
6 Oil Piston Rings 5296700
6 Compression Piston Rings 3926789
6 Compression Piston Rings 3919918
12 Piston Pin Retainers 3901922, 3901996, 3920692, CUM3901996
6 Engine Pistons 3943367
6 Cylinder Liners 3800328, 3944344, 3948095
6 Liner Seals 3907177, 3917737, CUM3907177
1 Main Bearing Set 3945917
7 Top Main Bearings 3944513
6 Bottom Main Bearings 3944159
1 Thrust Bearing 3944164
12 Connecting Rod Bearings 3901430, 3901460, 3950661, CUM3901430
1 Upper Engine Gasket Set 4089958, 4025238, 3800342
1 O-Ring Seal
1 O-Ring Seal 3931824
1 Rectangular Ring Seal 3936876, 3902363
6 Exhaust Manifold Gaskets 5269779, 3943191, 3937479
1 Turbo Oil Drain Gasket 5264569, 3942725, 3937706, 3931350, 3928919, 3914388, 3819378, 3285747, 3282113
1 Cover Plate Gasket 3939258, 3931348, 3931059, 3923054, 3914304, 3904044, 3903664
1 Valve Cover Gasket 3939284, 3943303, 3943864
1 Flange Gasket 3942902
1 Cylinder Head Gasket 3943366, 3943902
1 Intake Manifold Cover Gasket 3944646, 3940851
1 O-Ring Seal 3678925, 4944960
24 Valve Stem Seals 3991267, 3948578, 3943889, 3943888
1 Connection Gasket 3992090, 3944647, 3943144
6 O-Ring Seals 3867043, 3882589
1 O-Ring Seal 3883284
1 Gasket 3901356
2 Seals 3903475, 3901856
6 Injector Seals 3906659, 3920174
1 Gasket 3913032
4 Turbo Hose O-Ring Seals 3922794, 3883963
1 Lower Engine Gasket Set 3800343
3 O-Ring Seals 3040817, 129858
6 Liner Seals 3907177, 3917737
1 O-Ring Plug 3910248, 3903450, 3904470
1 O-Ring Seal 3910260
1 Rear Rectangular Seal 3906699, 3912473
1 Rectangular Seal 3912616, 3913695
1 Oil Cooler Core Gasket 3906297, 3918174, 3908332, 3914307
2 Sealing Washers 3918190, 3093950, C0700501012
2 O-Ring Seals 3926048
2 Rectangular Ring Seals 3926722, 5272819, 3917332
1 Oil Cooler Cover Gasket 3929011, 3918332
1 O-Ring Seal 3089240
1 O-Ring Seal 3930911
1 Gasket 3943744, 4942874, 3943963, 3937367
1 Oil Pan Gasket 3914017, 3938160, 3911818, 3934044, 3906611
1 Cover Plate Gasket 3904044, 3903664, 3931059, 3923054, 3914304, 3939258, 3931348
1 Oil Pickup Tube Gasket 3914302, 3939352, 3906202
1 Rear Flywheel Housing Cover Gasket 3901734, 3939353, 3914301
1 Water Pump Seal 3940386
1 O-Ring Seal 4989614, 3943857
1 Gear Housing Gasket 3944293
1 O-Ring Seal 3201562
2 Sealing Washers 3963983, 3283280, 3918191, 3935171, 3903037
2 Sealing Washers 3963988, 3937155, 3935172
1 Connection Gasket 3921605, 3992092
1 Front Crankshaft Seal Kit 3901979, 3921927, 4025270, 3353977, 3908139, 3901979, 3353977
1 Rear Crankshaft Seal Kit 4089342, 3934486, 3925529, 3921265, 3909410, 3904089, 3904087
2 O-Ring Seals 4010519, 3330202
1 O-Ring Seal 3330478
2 O-Ring Seals 3678912
1 O-Ring Seal 4944960, 3678925
2 O-Ring Seals 3944821, 3818885
2 Sealing Washers 3902425
1 Accessory Drive Support Gasket 3685614
Brand4BTdiesel
Compatible BrandFor CUMMINS
Compatible Engine BrandFor CUMMINS
ConditionNew

Shipping Spec

Weight49.895 kg
Dimensions71.1 × 41.9 × 33.7 cm

โ€“ Replace Part Number: OH3800320
โ€“ Fit for: Cummins applications; confirm fitment
โ€“ Built to OEM specs for a proper fit
โ€“ Send us an inquiry for price

Need Help?

Speak to a parts specialists now

Need Help Form Single Product

Warranty

For new Cummins parts, we provide 90-day warranty. Quality is our commitment. 4BTDiesel ensures your peace of mind! For complete warranty details, please view our Warranty Policy.

Shipping

We ship worldwide and offer full expedited delivery to ensure your construction machinery back in action, fast. Check out our Shipping Policyย for more details.

Easy Return

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.