logo

2-Piece Hex Head Cap Screw 3903990 for Cummins 6B/4.5/5.9/6.7 Engines

SKU: J0144000100073
Regular price
$12.58
$12.58
Regular price
Sale price
Free Shipping Today!
Pictures just for reference, goods subject to OEM#
If you are not sure, please send us the model information
Quantity Discount Best Price
Buy any 3 items And get 3% off $12.20 each
Buy any 5 items And get 5% off $11.95 each
Buy any 10 items And get 10% off $11.32 each
Orders Up to13% Off
Apply Now >
Secure Payment
Fast Delivery
24/6-Customer Service
Quality Guarantee
Becoming a business partner get more benefits.
Register
avatar
Need Help?

Our product technologist will respond within 24 business hours.

Warranty Policy

Buymachineryparts always want customers to be satisfied with their
shopping experience, so the return policy is very important to to ensure
their own interests.

We offer 30-day guarantee on receipt of parts.

Shipping Policy

In order to provide better service to our valued customers, we implement
free shipping for all products in the Buymachineryparts shop except for heavy cargo and remote areas

Easy Return Policy

To allow customers to shop more confidently and worry-free, we earnestly promise that if the products are defective, incorrect, or amaged in transit, customers may return them within 30 days after receipt, and we will issue a refund.

Buymachineryparts, your one-stop aftermarket parts online shop!

Welcome to Buymachineryparts, making machinery parts easy to buy worldwide

Overview
Reviews
Q&As
Shipment
Wholesale

2-Piece Hex Head Cap Screw 3903990 for Cummins 6B/4.5/5.9/6.7 Engines

Replacement part number:

3903990, J903990
Fit for Cummins Engine:
15N CM2380 M104B, 15N CM2380 M105B, 4B3.9, 6.7N CM2380 D109B, 6B5.9, 6C8.3, B3.3, B3.9 CM2620 B171C, B4.0 CM2620 B154B, B4.5, B4.5 CM2220 B186B, B4.5 CM2350 B129B, B4.5 CM2350 B146C, B4.5 CM2350 B147B, B4.5 CM2350 B160M, B4.5 CM2350 B161M, B4.5 CM2620 B158B, B4.5 CM2620 B180B, B4.5 RGT, B4.5S, B5.6 CM2670 B152B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, B6.2 CM2670 B156B, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 CM2350 B157C, B6.7 CM2450 B155B, B6.7 CM2450 B177C, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 CM2670 B167B, B6.7 CM2670 B173B, B6.7 CM2670 B175G, B6.7 CM2670 B188B, B6.7 CM2880 B191G, B6.7 G CMOH6.0 B125, B6.7N CM2380 B150B, B6.7N CM2380 B183B, B6.7O CM3580 B193B, B6.7S, B7 CM2670 B165C, C GAS PLUS CM556, C8.3 G, D4.0 CM2620 D103B, D4.5 CM2620 D104B, D6.7 CM2670 D102B, D6.7 CM2670 D106B, D6.7 CM2670 D107B, F2.8 CM2620 F135B, F2.8 CM2620 F136B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2350 F132B, F3.8 CM2350 F133C, F3.8 CM2620 F137B, F3.8 CM2620 F144B, F3.8 CM2620 F149B, F3.8 F102, F4.5 CM2620 F139B, F4.5 CM2620 F141C, F4.5 CM2620 F146B, G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558, GTA855 CM558 (CM2358) G101, HSK78G CM2358 K129G, ISB (Chrysler), ISB 2002 DCX, ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120, ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB4.5 CM2150, ISB4.5 CM2350 B104, ISB5.9 CM2150 B111, ISB5.9 CM2880 B110, ISB5.9 CM2880 B127, ISB5.9 CM2880 B172, ISB5.9 CM800, ISB5.9G CM2180, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE CM800, ISBE4 CM850, ISC CM2150, 15-600, QSX, QSX15-600

Application:


Fit for Hyundai Forklift:
100D-7, 110D-7A, 110D-7E, 110D-9, 120D-7, 130D-7A, 130D-7E, 130D-9, 135D-7, 140D-7E, 160D-7, 160D-7A, 160D-7E, 160D-9, 180D-7E, 250D-7E, 250D-9, 33HDLL, 35D-9, 40D-9, 45D-9, 50D-9, 50DA-9, 60D-9, 70D-9, 80D-9, HDF35/45AII, HDF50A, HDF70A
Fit for Hyundai Crawler Dozer: H70, H70 LGP, H80, H80 LGP
Fit for Hyundai Loader:
HL17C, HL25C, HL720-3, HL730-3, HL730-7, HL730-7A, HL730-9, HL730-9A, HL730-9S, HL730TM-3, HL730TM-7, HL730TM-7A, HL730TM-9, HL730TM-9A, HL740-3, HL740-7, HL740-7A, HL740-7S, HL740-9, HL740-9A, HL740-9B, HL740-9S, HL740TM-3, HL740TM-7, HL740TM-7A, HL740TM-9, HL740TM-9A, HL750, HL750TM, HL757-7, HL757-7A, HL757-7S, HL757-9, HL757-9A, HL757-9S, HL757-9SM, HL940, HL940TM, 42HDLL/39HDRB
Fit for Hyundai Excavator:
R140LC-7, R140W-7, R140W-9, R160LC-3, R170W-9, R200W-7, R200W-7A, R210LC-7, R210LC-7A, R210LC-9, R210NLC-7, R210NLC-7A, R210NLC-9, R210W-9, R220LC-7, R235LCR-9, R250LC-7, R250LC-7A, R250LC-9, R290LC-7, R290LC-7A, R290LC-9, R305LC-7, R320LC-7, R320LC-7A, R320LC-9, R360LC-7, R360LC-7A, R360LC-9, R800LC-7A
Fit for John Deere Self-Propelled Forage Harvester: 7800, 7850, SPFH 7800, SPFH 7850
Fit for Komatsu Rigid Dump Truck: AFE48-CQ, AFE48-CU, AFE48-CX, AFE48-DB/DC, AFE48-DF
Fit for Volvo Excavator: EC240, EC290, KEW130
Fit for CASE Motor Grader: 845, 885
Fit for CASE IH Tractor: 9110, 9130
Fit for CASE Loader: W36

Quality Factories Show

buymachineryparts Office Building

Office Buildings Show

Clean and neat office, production environment
buymachineryparts Workshop

Workshops Show

Professional production line and well-regulated workshop, Strictly follow the quality system certification
buymachineryparts Testing Equipments

Testing Equipments Show

Professional and advanced testing equipment, All products have passed the factory inspection
buymachineryparts Production Equipments

Production Equipments Show

Advanced CNC machines, guarantee the OEM quality of goods sold

Factories Certification Show

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

Shipping Cost

We try our best to providing customers with fast, high quality logistics delivery services worldwidely. 

In order to provide better service to our valued customers, we implement free shipping for all products in the Buymachineryparts shop from 23th Aug., 2023.

The freight calculated by system is only for air express.

Part of the heavy goods need to be sent by sea, pls contact us for freight.


Shipping Time

Order fulfillment time ( two parts ):

  • Handing Time:

Normally, we will ship orders within 0-3 business days

The handing time include: Order handling, Picking from the nearest warehouse, Packaging, Quality inspection, Label printing, waiting express to pick up, and provide the tracking No. in order details, you will also receive shipping reminder email.

  • Delivery time

❶Express Shipping: 3-7 business days.

❷Part of the heavy goods need to be sent by sea, it will take 30 business days to your hand.


Please make sure you shipping address and other shipping info is correct and precise.

Notice

The recipient is responsible for paying all applicable duties, taxes and brokerage fees.


Tracking

You could track your order in the official website of shipping carrier. Or third-party tracking website.

  • https://www.buymachineryparts.com/apps/17TRACK

Return Policy

Buymachineryparts always want customers to be satisfied with their shopping experience, so the return policy is very important to to ensure their own interests.

To assure customer satisfaction we made this procedure as clear as possible.

We offer 30-day guarantee on receipt of parts.

(For all non-warranty Replacement parts only. Original parts are of no return)

If you received defective quality, damaged or incorrect parts, Please contact us within 30 days for retrun or exchange.

Return / Exchange Conditions & Freight Responsibility

Condition Returnable Exchangable Delivered Freight Return Freight
Defective quality Parts Yes Yes Seller Seller
Damaged Parts No Need Yes Seller Seller
Incorrect Parts Yes Yes Seller Seller
Place wrong order Yes Yes Buyer Buyer
No longer need Yes No Buyer Buyer

Note: 

Please check whether the product is in good condition before return, We do not accept parts that have

already been installed or not in new condition. If parts are damaged,

please send us the pictures asap for confirming.

Return / Exchange Steps:

1, Contact us via email: sales@buymachineryparts.com, send us pictures for quick confirmation.

2, We will send you the return address after confirmation within 24 hours then waiting for the retrun.

3, After receiving the return and checking that there is no problem, we will resend the order or make refund.

  • Refund through Paypal will be received immediately.
  • Refund through Credit Card will be received in 5 work days(We will refund and send you the slip,handle time is for bank)

please contact us first for return or exchange,

buyers must ship the package per the instructions provided by the

customer service representative.

Not allowed returns will be rejected.

Buymachineryparts invite you to become our wholesale customer, you will get many benefits:

  • Dealer's specific bulk prices
  • Use your exclusive wholesale account to place order.
  • Professional B2B team at your service.
  • Supply more products, inquiry from our B2B team.

Before becoming our wholesale customer, pls fill in the application form, let us know your company information, we will approve as soon as possible.

{ets_cf_2FJ}
Overview
Reviews
Q&As
Shipment
Wholesale

2-Piece Hex Head Cap Screw 3903990 for Cummins 6B/4.5/5.9/6.7 Engines

Replacement part number:

3903990, J903990
Fit for Cummins Engine:
15N CM2380 M104B, 15N CM2380 M105B, 4B3.9, 6.7N CM2380 D109B, 6B5.9, 6C8.3, B3.3, B3.9 CM2620 B171C, B4.0 CM2620 B154B, B4.5, B4.5 CM2220 B186B, B4.5 CM2350 B129B, B4.5 CM2350 B146C, B4.5 CM2350 B147B, B4.5 CM2350 B160M, B4.5 CM2350 B161M, B4.5 CM2620 B158B, B4.5 CM2620 B180B, B4.5 RGT, B4.5S, B5.6 CM2670 B152B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, B6.2 CM2670 B156B, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 CM2350 B157C, B6.7 CM2450 B155B, B6.7 CM2450 B177C, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 CM2670 B167B, B6.7 CM2670 B173B, B6.7 CM2670 B175G, B6.7 CM2670 B188B, B6.7 CM2880 B191G, B6.7 G CMOH6.0 B125, B6.7N CM2380 B150B, B6.7N CM2380 B183B, B6.7O CM3580 B193B, B6.7S, B7 CM2670 B165C, C GAS PLUS CM556, C8.3 G, D4.0 CM2620 D103B, D4.5 CM2620 D104B, D6.7 CM2670 D102B, D6.7 CM2670 D106B, D6.7 CM2670 D107B, F2.8 CM2620 F135B, F2.8 CM2620 F136B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2350 F132B, F3.8 CM2350 F133C, F3.8 CM2620 F137B, F3.8 CM2620 F144B, F3.8 CM2620 F149B, F3.8 F102, F4.5 CM2620 F139B, F4.5 CM2620 F141C, F4.5 CM2620 F146B, G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558, GTA855 CM558 (CM2358) G101, HSK78G CM2358 K129G, ISB (Chrysler), ISB 2002 DCX, ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120, ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB4.5 CM2150, ISB4.5 CM2350 B104, ISB5.9 CM2150 B111, ISB5.9 CM2880 B110, ISB5.9 CM2880 B127, ISB5.9 CM2880 B172, ISB5.9 CM800, ISB5.9G CM2180, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE CM800, ISBE4 CM850, ISC CM2150, 15-600, QSX, QSX15-600

Application:


Fit for Hyundai Forklift:
100D-7, 110D-7A, 110D-7E, 110D-9, 120D-7, 130D-7A, 130D-7E, 130D-9, 135D-7, 140D-7E, 160D-7, 160D-7A, 160D-7E, 160D-9, 180D-7E, 250D-7E, 250D-9, 33HDLL, 35D-9, 40D-9, 45D-9, 50D-9, 50DA-9, 60D-9, 70D-9, 80D-9, HDF35/45AII, HDF50A, HDF70A
Fit for Hyundai Crawler Dozer: H70, H70 LGP, H80, H80 LGP
Fit for Hyundai Loader:
HL17C, HL25C, HL720-3, HL730-3, HL730-7, HL730-7A, HL730-9, HL730-9A, HL730-9S, HL730TM-3, HL730TM-7, HL730TM-7A, HL730TM-9, HL730TM-9A, HL740-3, HL740-7, HL740-7A, HL740-7S, HL740-9, HL740-9A, HL740-9B, HL740-9S, HL740TM-3, HL740TM-7, HL740TM-7A, HL740TM-9, HL740TM-9A, HL750, HL750TM, HL757-7, HL757-7A, HL757-7S, HL757-9, HL757-9A, HL757-9S, HL757-9SM, HL940, HL940TM, 42HDLL/39HDRB
Fit for Hyundai Excavator:
R140LC-7, R140W-7, R140W-9, R160LC-3, R170W-9, R200W-7, R200W-7A, R210LC-7, R210LC-7A, R210LC-9, R210NLC-7, R210NLC-7A, R210NLC-9, R210W-9, R220LC-7, R235LCR-9, R250LC-7, R250LC-7A, R250LC-9, R290LC-7, R290LC-7A, R290LC-9, R305LC-7, R320LC-7, R320LC-7A, R320LC-9, R360LC-7, R360LC-7A, R360LC-9, R800LC-7A
Fit for John Deere Self-Propelled Forage Harvester: 7800, 7850, SPFH 7800, SPFH 7850
Fit for Komatsu Rigid Dump Truck: AFE48-CQ, AFE48-CU, AFE48-CX, AFE48-DB/DC, AFE48-DF
Fit for Volvo Excavator: EC240, EC290, KEW130
Fit for CASE Motor Grader: 845, 885
Fit for CASE IH Tractor: 9110, 9130
Fit for CASE Loader: W36

Quality Factories Show

buymachineryparts Office Building

Office Buildings Show

Clean and neat office, production environment
buymachineryparts Workshop

Workshops Show

Professional production line and well-regulated workshop, Strictly follow the quality system certification
buymachineryparts Testing Equipments

Testing Equipments Show

Professional and advanced testing equipment, All products have passed the factory inspection
buymachineryparts Production Equipments

Production Equipments Show

Advanced CNC machines, guarantee the OEM quality of goods sold

Factories Certification Show

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

TS16949/ISO9001/CE CERTIFICATIONS

Shipping Cost

We try our best to providing customers with fast, high quality logistics delivery services worldwidely. 

In order to provide better service to our valued customers, we implement free shipping for all products in the Buymachineryparts shop from 23th Aug., 2023.

The freight calculated by system is only for air express.

Part of the heavy goods need to be sent by sea, pls contact us for freight.


Shipping Time

Order fulfillment time ( two parts ):

  • Handing Time:

Normally, we will ship orders within 0-3 business days

The handing time include: Order handling, Picking from the nearest warehouse, Packaging, Quality inspection, Label printing, waiting express to pick up, and provide the tracking No. in order details, you will also receive shipping reminder email.

  • Delivery time

❶Express Shipping: 3-7 business days.

❷Part of the heavy goods need to be sent by sea, it will take 30 business days to your hand.


Please make sure you shipping address and other shipping info is correct and precise.

Notice

The recipient is responsible for paying all applicable duties, taxes and brokerage fees.


Tracking

You could track your order in the official website of shipping carrier. Or third-party tracking website.

  • https://www.buymachineryparts.com/apps/17TRACK

Return Policy

Buymachineryparts always want customers to be satisfied with their shopping experience, so the return policy is very important to to ensure their own interests.

To assure customer satisfaction we made this procedure as clear as possible.

We offer 30-day guarantee on receipt of parts.

(For all non-warranty Replacement parts only. Original parts are of no return)

If you received defective quality, damaged or incorrect parts, Please contact us within 30 days for retrun or exchange.

Return / Exchange Conditions & Freight Responsibility

Condition Returnable Exchangable Delivered Freight Return Freight
Defective quality Parts Yes Yes Seller Seller
Damaged Parts No Need Yes Seller Seller
Incorrect Parts Yes Yes Seller Seller
Place wrong order Yes Yes Buyer Buyer
No longer need Yes No Buyer Buyer

Note: 

Please check whether the product is in good condition before return, We do not accept parts that have

already been installed or not in new condition. If parts are damaged,

please send us the pictures asap for confirming.

Return / Exchange Steps:

1, Contact us via email: sales@buymachineryparts.com, send us pictures for quick confirmation.

2, We will send you the return address after confirmation within 24 hours then waiting for the retrun.

3, After receiving the return and checking that there is no problem, we will resend the order or make refund.

  • Refund through Paypal will be received immediately.
  • Refund through Credit Card will be received in 5 work days(We will refund and send you the slip,handle time is for bank)

please contact us first for return or exchange,

buyers must ship the package per the instructions provided by the

customer service representative.

Not allowed returns will be rejected.

Buymachineryparts invite you to become our wholesale customer, you will get many benefits:

  • Dealer's specific bulk prices
  • Use your exclusive wholesale account to place order.
  • Professional B2B team at your service.
  • Supply more products, inquiry from our B2B team.

Before becoming our wholesale customer, pls fill in the application form, let us know your company information, we will approve as soon as possible.

{ets_cf_2FJ}
avatar
Need Help?

Our product technologist will respond within 24 business hours.

Guess You Need