Skip to product information
Usually ships in 2–4 business days.
Air Brake Compressor with Gear 3976366 3969102 For Cummins QSB5.9 6CT8.3 Engine
$736.79
Sale price
$736.79
Regular price
Available to Order
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Air Brake Compressor with Gear 3976366 3969102 For Cummins QSB5.9 6CT8.3 Engine
Ensure your heavy-duty engine maintains optimal braking performance with this premium aftermarket Air Brake Compressor. Designed as a direct replacement for Cummins QSB5.9 and 6CT8.3 engines, this unit includes the essential gear for a complete and straightforward installation. While this is not an OEM part, it is engineered to deliver reliable service and durability under demanding conditions.
Key Features & Benefits
- High-quality aftermarket replacement for reliable braking system performance.
- Includes pre-installed gear for a more efficient installation process.
- Constructed with durable materials to withstand high-pressure environments.
- Designed to meet standard performance requirements at a competitive price point.
Compatible Models
- Cummins QSB5.9 Engine
- Cummins 6CT8.3 Engine
Product Specifications
- Part Numbers: 3976366, 3969102
- Engine Fitment: QSB5.9, 6CT8.3
- Item Type: Air Brake Compressor with Gear
- Part Type: Aftermarket
Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket replacement part. It is designed to match the fit and function of the original equipment at a more affordable price.
How do I confirm compatibility?
We recommend checking your current part number against 3976366 or 3969102. You should also verify that your machine uses the Cummins QSB5.9 or 6CT8.3 engine series before purchasing.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.