• Fast Shipping

    Most products shipped in 36 hours

  • In-house Experts

    We know our products

  • Easy returns

    Hassle free returns policy

  • Chat facility

    Talk to a real person

Fab Heavy Parts  |  SKU: FN25120111

Camshaft 3921953 Fits for Cummins 6BT Engine

$173.13

Description

Camshaft 3921953 – Premium Replacement for Cummins 6BT Engine

High-performance aftermarket camshaft engineered for reliable valve timing and engine operation in Cummins 6BT diesel engines. Precision-manufactured to OEM specifications for drop-in compatibility.

Technical Specifications

  • OE Part Number: Fits 3921953
  • Condition: New, aftermarket replacement
  • Function: Engine camshaft for valve actuation
  • Quality: Engineered to meet or exceed OEM performance standards

Verified Engine Compatibility

Fits Cummins Engine:

  • 6BT

Why Choose This Camshaft

The camshaft is a critical engine component that controls valve timing and ensures optimal combustion efficiency and power delivery. This replacement unit delivers:

  • Reliable performance – Maintains precise valve timing for optimal engine operation
  • Exact-fit installation – Direct replacement with correct lobe profiles and bearing journals
  • Durable construction – Heat-treated steel built to withstand demanding industrial and construction environments
  • Cost-effective solution – Premium aftermarket quality at a fraction of OEM pricing

Package Contents

  • 1 × Camshaft (3921953)

Essential for engine rebuild, equipment maintenance, and performance restoration. Keep your Cummins 6BT powered equipment running with precision and reliability.

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

Estimated delivery time 3-6 workdays

30 Days Easy Return

Simply return it to the nearest warehouse if you don't like it.

For more details about returns, please check out our return policy.

Payment & Security

Payment methods

  • Visa
  • Mastercard
  • American Express
  • Afterpay
  • PayPal
Questions & Answers loading...

Why Choose Fab Heavy Parts

  • 12-Month Warranty

    All parts backed by our comprehensive warranty for peace of mind

  • Guaranteed Fitment

    Verified compatibility with your equipment specifications

  • Fast Delivery

    Quick shipping to get your parts when you need them

  • In-House Experts

    Knowledgeable team ready to help with your questions

TESTIMONIALS

It was great ordering from you guys if we ever need anything else we sure will order from you guys.

I.H.

From the US

Great price and fit my 844 lull perfectly , along with fast shipping.

M.L.

From the US

very very good and I received it very quickly. thank you very much.

L.F.

From the EU

Removed old tank and install new, install pipes and fill with oil, no modifications at all. GREAT FIT !!!!!

R.P.

From the US.

Received everything as stated and so far very happy with the product. Will purchase again when more parts are needed.

E.S.

From the US

Frequently Asked Questions

Shipping and Delivery

What countries do you ship to?

We can ship to these countries:

Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam

United States

Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom

How long will it take to receive my order?

Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.

Returns and Refunds

How do I return a product?

Our return policy lasts 30 days. If 30 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange. (We expanded the return window time from 25 days to 30 days on OCT. 12th, 2023. Orders placed on and after OCT. 12th, 2023 are eligible for this new policy.)


To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.


To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.



Steps of Returning Products to Fab Heavy Parts

1. Request returns in seconds at our return portal.

2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag

3. Select the items you wish to return and choose the return reason and upload photos of the received package.

Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.

Steps after the approval of your return request:

1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com

How long will it take to receive my refund?

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.

Payment Methods

What kind of payment methods do you accept?

We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.

If you prefer offline payment, please contact us to get our bank transfer details.

Taxes or duties

Will I receive customs/import duties?

For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.

Ask a Question

Feel free to leave your question with us. Our current response time is around 24 hours, though we will get back to you faster when possible.

Fab Heavy Parts

Camshaft 3921953 Fits for Cummins 6BT Engine

$173.13

Camshaft 3921953 – Premium Replacement for Cummins 6BT Engine

High-performance aftermarket camshaft engineered for reliable valve timing and engine operation in Cummins 6BT diesel engines. Precision-manufactured to OEM specifications for drop-in compatibility.

Technical Specifications

Verified Engine Compatibility

Fits Cummins Engine:

Why Choose This Camshaft

The camshaft is a critical engine component that controls valve timing and ensures optimal combustion efficiency and power delivery. This replacement unit delivers:

Package Contents

Essential for engine rebuild, equipment maintenance, and performance restoration. Keep your Cummins 6BT powered equipment running with precision and reliability.

View product