Global automotive components manufacturer and distributor specializing in diesel engines, transmissions, axles, and spare parts, with operations spanning over 30 countries.

OEM Cummins 3929779 Exhaust Manifold | 6C, 6CT, 6CT8.3 Engines

The OEM Cummins 3929779 Exhaust Manifold from Volgen Power is a high-quality replacement part designed for Cummins 6C, 6CT, and 6CT8.3 (8.3L) diesel engines, including variants like C GAS PLUS CM556, G8.3, ISC, ISL, QSC8.3, and QSL9.
Engineered to meet Cummins OEM standards, this manifold ensures optimized exhaust flow, excellent heat dissipation, and long service life — ideal for trucking, agriculture, construction, and marine applications.

Compatible with Freightliner, Kenworth, Peterbilt trucks, Case IH tractors, and Cummins-powered marine vessels, it delivers reliable performance in demanding environments.

Product Details

OEM Cummins 3929779 Exhaust Manifold for 6C, 6CT, 6CT8.3 Engine

Volgen Power Premium Replacement Part

  • Optimized Exhaust Flow – Reduces backpressure, improving power and efficiency.

  • High-Strength Cast Iron – Excellent heat resistance for long-term durability.

  • OEM Quality Standards – Perfect fit and performance equivalent to genuine Cummins parts.

  • Versatile Compatibility – Fits a wide range of Cummins 6C/6CT/6CT8.3 family engines.

  • Corrosion Resistance – Built to withstand harsh operating environments.

Technical Specifications

  • Part Number: 3929779

  • Interchangeable With: 3906720, 3901759, 3932183, C3929779

  • Applicable Engines: Cummins 6C, 6CT, 6CT8.3 (8.3L), C GAS PLUS CM556, G8.3 CM558, GTA8.3 CM558, ISC CM2150, ISL CM2150, QSC8.3 CM2250, QSL9 CM2250, Komatsu 6D114

  • Applicable Vehicles:

    • Trucks – Freightliner Cascadia, Kenworth T800, Peterbilt 389 with 6CT8.3/ISL engines

    • Tractors – Case IH MX180, MX200, MX220, 7110–8950 series

    • Marine – Cummins 6CTA & QSL9 marine engines

    • Industrial – Excavators & loaders with 6CT8.3/QSL9

  • Material: High-strength cast iron

  • Condition: New OEM / Aftermarket (contact for availability)

  • Weight: ~10–15 kg

  • Warranty: 12 months (OEM) / 3 months (aftermarket)

Application Scenarios

  • Long-Haul Trucking – Enhances fuel efficiency & power for 6CT8.3-powered freight trucks.

  • Agricultural Machinery – Reliable for heavy farm work in Case IH tractors.

  • Marine Vessels – Resists corrosion in harsh saltwater environments.

  • Construction Equipment – Provides stable performance in excavators & loaders.

Installation Tips

  1. Inspect mating surfaces for wear or debris. Replace gaskets (e.g., 3937706).

  2. Align the manifold precisely to avoid exhaust leaks.

  3. Follow Cummins torque specs (refer to 6CT8.3 service manual).

  4. After installation, check for leaks and verify turbocharger operation.

Note: Address root causes of manifold failure (e.g., overheating, cracking) to prevent recurrence.

Why Choose Volgen Power?

  • Trusted OEM Supplier – Parts meet Cummins specifications.

  • Global Logistics – Fast worldwide shipping.

  • Technical Support – Expert assistance with fitment and installation.

  • Competitive Pricing – OEM quality at aftermarket rates.

Ordering Information

  • Website: www.volgenpower.com

  • Email: [email protected]

  • 24/7 Support: +86 18827435225

  • Delivery: In-stock ships in 5–7 days; non-stock 20–40 days.

  • Returns: 30 days (product in original condition).

  • Bulk Orders: Fleet & distributor pricing available.

FAQ

Q1: Is this a genuine Cummins part?
A1: It’s an OEM part manufactured to Cummins specifications, with equivalent performance at a better price.

Q2: Will it fit all Cummins 6CT engines?
A2: Yes — fits 6C, 6CT, 6CT8.3, ISC, ISL, QSC8.3, QSL9, and Komatsu 6D114. Confirm with your engine serial number.

Q3: What material is it made of?
A3: High-strength cast iron for maximum durability.

Q4: Do I need extra parts for installation?
A4: A gasket kit (e.g., 3937706) is recommended. Bundles available on request.

Order the OEM Cummins 3929779 Exhaust Manifold today and experience Volgen Power’s quality & reliability!

Send A Message

Meet us at the exhibition

138th Canton Fair, October 15–19, 2025, Guangzhou, China

AAPEX (Automotive Aftermarket Products Expo) , November 4–6, 2025, Las Vegas, Nevada, USA – The Venetian Expo & Caesars Forum

Expo Transporte ANPACT , November 12–14, 2025, Expo Guadalajara (Guadalajara Exhibition Center)

Contact Us

Email

[email protected]

Chat on WhatsApp

Chat on WhatsApp

Chat on WhatsApp

Location

No.18.Hexie Avenue.Shiyan City,Hubei Province,China