PDI Caterpillar C7 Exhaust Manifold – T4 Ceramic Coated (1997–2007) | OEM 219-5855

Unlock more power and efficiency from your Caterpillar 3126 and C7 Acert engines with the PDI Big Boss T4 Ceramic Coated Exhaust Manifold. Designed for 1997–2007 applications, this high-performance manifold improves exhaust flow, reduces heat, and enhances turbocharger response — delivering the pulling power and reliability your truck needs.

? Not Legal for Sale or Use in California

Key Features & Benefits

20% Airflow Increase Over Stock – Optimized design to reduce turbo lag and boost horsepower.

Lower EGTs by 75–100°F – Keeps exhaust gas temperatures cooler for longer turbo and engine life.

Ceramic Coated for Heat Control – Retains heat in the exhaust stream for improved velocity and reduced under-hood temps.

Made in the USA – Built with precision for perfect fitment and durability.

Direct OEM Replacement – Matches OEM part number 219-5855.

Technical Specifications

Application: Caterpillar 3126 & C7 Acert (1997–2007)

Turbo Flange: T4

Finish: High-temperature ceramic coating

OEM Reference: 219-5855

Warranty: 2-Year Unlimited Mile Warranty

Required Parts: C7 Manifold Install Kit & C7 Stage 1 Turbo (sold separately)

Why Upgrade Your C7 or 3126 Exhaust Manifold?

Stock manifolds can suffer from cracking, warping, and reduced performance due to heat fatigue. The PDI Big Boss T4 manifold solves these issues by providing:

Stronger, heat-resistant ceramic-coated construction

Increased airflow for better throttle response and pulling power

Cooler operating temps for longer component life

Balanced exhaust flow to optimize turbo efficiency

FAQ – PDI C7 / 3126 Ceramic Coated Exhaust Manifold

Q: Will this manifold fit my engine?
A: Yes, it’s compatible with 1997–2007 Caterpillar 3126 and C7 Acert engines using a T4 turbo flange.

Q: Do I need additional parts for installation?
A: Yes, you will need the C7 Manifold Install Kit and C7 Stage 1 Turbo (sold separately).

Q: How does this improve performance?
A: The design increases airflow by 20%, reduces turbo lag, and lowers EGTs by up to 100°F.

Q: Is this manifold legal in California?
A: No, it is not legal for sale or use in California.
Order Yours Today

Boost your CAT C7 or 3126 engine’s power, efficiency, and reliability with the PDI Big Boss T4 Ceramic Coated Exhaust Manifold — built for serious performance.