Exhaust Manifold 3970066 fits for Cummins 6BT B5.9L Engine
Exhaust Manifold 3970066 fits for Cummins 6BT B5.9L Engine is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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No Hidden Charges Upon Arrival
Description
Description
Exhaust Manifold 3970066 fits for Cummins 6BT B5.9L Engine
Condition: new, aftermarket
Part Number:
3970066
Fitment Details:
Fit for: Cummins B5.9L 6BT Engine
Engine:
QSB4.5 CM2150 B108, QSB6.7 CM2250 EC, ISBE CM2150, ISD4.5 CM2150, 4B3.9, QSF2.8 CM2880 F114, QSB6.7 M CM2250, ISF3.8 CM2220 F103, ISB5.9G CM2180, QSB6.7 CM2350 B130, ISF3.8 CM2220 F116, G5.9, ISF2.8 CM2220 F101, QSB6.7 CM2150 B109, G3.9, ISF3.8 CM2220 AN, ISB6.7 CM2250, B4.5 RGT, ISBE CM800, QSB3.9 30 CM550, QSB7 CM2880 B117, QSB5.9 30 CM550, QSF2.8 CM2880 F108, QSG12 CM2350 G110, ISG12 CM2880 G107, ISG11 CM2880 G108, ISG12 CM2880 G109, QSB6.7 CM2350 B112, B5.9 G, B6.7S, ISF2.8 CM2220 EC, ISF3.8 CM2220 IAN, ISB (CHRYSLER), ISB6.7 CM2350 B103, QSB7-DM CM850, ISB6.7 CM2350 B101, QSB6.7 CM2880 B116, ISF3.8 CM2350 F109, QSB6.7 CM2350 B105, QSB6.7 CM2250, B5.9 LPG, ISB CM850, B4.5, ISBE4 CM850, ISB/ISD4.5 CM2150 SN, ISF3.8 CM2220, ISB CM2150, QSF3.8 CM2880 F112, QSF2.8 CM2880 F104, B4.5S, ISF2.8 CM2220 AN, QSB6.7 CM850, QSB5.9 CM2880 B115, QSB6.7 CM2250 B128, ISF2.8 CM2220 ECF2, QSB4.5 CM2350 B122, ISF2.8 CM2220 F117, B6.7 G CMOH6.0 B125, G5.9 CM558, 6B5.9, QSB4.5 30 CM550, ISB3.9 CM2220 B107, ISB/ISD6.7 CM2150 SN, ISB6.7 CM2150 SQ, ISF2.8 CM2220 IAN, ISB6.7 2013 DCX CHASSIS CAB, ISB4.5 CM2150, ISB6.7 2010 DCX PICKUP, ISB/ISD6.7 CM2880 B126, B5.9 GAS PLUS CM556, QSB5.9 CM850, ISF2.8 CM2220, QSB4.5 CM2350 B106, ISB CM550, ISG11 CM2880 G106, ISB/ISD6.7 CM2150 B120, QSB5.9 44 CM550, QSB4.5 CM2250 EC, QSB4.5 CM850, F3.8 F102, B5.9 LPG PLUS CM556, QSF2.8 CM2880 F105, B GAS INTERNATIONAL CM556, QSF3.8 CM2350 F119, QSF3.8 CM2350 F107, ISF3.8 CM2220 F110, ISB/ISD4.5 CM2150 B119, ISG12 G CMOH6.0 G111
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
What is your return policy?
We accept returns within 60 days of delivery for unused parts in original packaging. To initiate a return, please submit your request through our return portal. Return shipping costs for non-defective items are the buyer's responsibility.
Can I cancel my order?
You may request a cancellation before your order has been dispatched. Once an order has been fulfilled and shipped, it cannot be cancelled — standard return terms will apply instead. Please contact us as soon as possible if you need to cancel.
What payment methods do you accept?
We accept all major credit and debit cards including Visa, Mastercard, and American Express. We also support PayPal, Apple Pay, and Google Pay at checkout. For B2B and trade customers, bank transfer and net payment terms may be available upon account approval — please contact us to discuss your requirements.
How long will delivery take?
Estimated delivery timeframes are displayed on most product pages and all tool listings. For parts without a displayed timeframe, standard delivery to US addresses is typically 5–10 business days from dispatch, depending on your location and the origin warehouse. Express shipping options may be available at checkout.
Will I be charged import tax or customs duties?
No. US customers are not charged any import fees or customs duties on their orders. The price you see is what you pay — there are no hidden charges added upon delivery.
How do I find out the shipping cost for my order?
You can get an estimated shipping cost directly on the cart page — just add your parts to the cart and enter your delivery zip code to see available shipping options and rates. For large or heavy orders requiring a freight quote, please contact us directly with your parts list and delivery zip code.
Do you offer trade accounts for US buyers?
Yes. US trade customers can apply for a B2B account to access volume pricing, net payment terms, and dedicated account support. Contact us directly to get started.
