10PCS Cylinder Head Bolt 3920780 Fits for Cummins Engine 4B 6B 6B5.9 6BTA5.9-G3 4B3.9 B5.9-C177
10PCS Cylinder Head Bolt 3920780 Fits for Cummins Engine 4B 6B 6B5.9 6BTA5.9-G3 4B3.9 B5.9-C177 is backordered and will ship as soon as it is back in stock.
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Description
Description
Cylinder Head Bolt 3920780 – Premium Replacement for Cummins Engines and Compatible Equipment
High-performance aftermarket cylinder head bolts engineered for reliable engine assembly integrity in Cummins B-series diesel engines and a wide range of CASE, New Holland, and Dodge applications. Precision-manufactured for drop-in compatibility and consistent clamping performance in demanding agricultural, construction, and on-highway environments.
Technical Specifications
Fits Part Numbers: M3920780, SCR9341, 3901220, 3903939, 3918472, 3920780, J920780, J903939
Condition: New, aftermarket replacement
Function: Cylinder head bolt for engine head gasket sealing and structural integrity
Verified Equipment Compatibility
Fits Cummins Engines:
- 4B, 4B3.9, 3.9L
- 6B, 6B5.9, 5.9L, 6.7L
- 6BTA5.9-G3, B5.9-C177, ISB
Fits Dodge Pickup Trucks:
- 2500, 3500
Fits CASE Tractor Loaders (selected models):
- 550, 580E, 580K, 580SE, 621, 650, 650G, 650H, 650K, 680L, 688
- 750H, 750K, 780C, 780D, 850D, 850E, 850G, 850H, 850K, 855D, 855E, 880D
- 888, 1085B, 1085C, 1086B, 1088, 1150E, 1150G, 1150H, 1155E
- 1620, 1640, 1644, 1800, 1822, 1840, 1844, 1845C, 1896
- 2022, 2044, 2096, 2144, 2344, 3150, 3185, 3210
- 4390, 4390T, 4391, 4391T, 4391TA, 5120, 5130, 5140, 5150
- 5220, 5230, 5240, 5250, 6000, 6500, 6590, 6590T, 6590TA, 6591T, 6591TA
- 8820, 8825, 8825HP, 8830, 8840, 8850, 8860, 8860HP, 8870, 8880, 8880HP
- 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT
- 450C, 455C, 480E, 480E LL, 550E, 550G
- MX100, MX110, MX120, MX135, MX150, MX170
- RP65, RP85, RP110, RP135, RP165, RPZ65, RPZ85, RPZ125, RPZ145
- SPX3150, SPX3185, SPX3200, SPX3200B, SPX3310
- W11B, W14B, W14C
Fits New Holland Tractor Loaders:
- U80, LV80
Why Choose This Cylinder Head Bolt Set
The cylinder head bolts are critical fasteners in your engine assembly, clamping the head gasket between the cylinder head and engine block to maintain combustion pressure and coolant sealing. Worn, stretched, or damaged head bolts can lead to head gasket failure and costly engine damage. This replacement set delivers:
- Reliable clamping force – Correct torque specifications for proper head gasket sealing and combustion integrity
- Exact-fit installation – Direct replacement with correct thread pitch, length, and grade specifications for Cummins B-series engines
- Durable construction – Built to withstand continuous thermal cycling and high combustion pressures in heavy-duty diesel engine environments
- Cost-effective solution – Premium aftermarket quality at a fraction of dealer pricing
Package Contents
10 × Cylinder Head Bolt (3920780)
Essential for engine rebuild, head gasket replacement, and major engine service. Keep your Cummins 4B, 6B, and ISB engines properly assembled and sealed for reliable performance across every application.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Do you ship to Australia?
Yes, we ship Australia-wide with tracked international freight. All orders are carefully packaged to ensure parts arrive safely.
How long does shipping to Australia take?
Typically 5–10 business days depending on your location and the freight method selected at checkout.
Will I need to pay import duties or GST?
Goods with a customs value of AUD 1,000 or less are exempt from customs duty. For orders over AUD $1,000, GST and import duties may apply at the Australian border — buyers are responsible for any applicable charges upon delivery.
Are your parts compatible with Australian-spec machines?
Yes, most of our parts are internationally compatible. Please check the fitment details on each product listing to confirm compatibility with your specific machine.
Can I return a part if it doesn't fit?
Yes, we accept returns within 60 days of delivery for unused parts in original condition. Please contact our team to initiate a return.
What payment methods do you accept?
How do I find out the shipping cost for my order?
Shipping costs are calculated based on your location and the size of your order. To get an accurate shipping quote: add the part(s) to your cart, then enter your country, state, and zip code in the shipping estimator at the cart page — the shipping cost will be calculated instantly.
The Right Part, the First Time
Engine and hydraulic parts matched by part number, trusted by fleets, contractors and repair shops worldwide.
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