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Vehicle Info NeededPDI DIESELPART NUMBER: 729-3489CB
Big Boss Exhaust Manifold for 1998-2004 Caterpillar C12 Engines - Black Ceramic Coated
$1,89500
Ships on Oct 21, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Caterpillar Engines
Big Boss Exhaust Manifold1998-2004 Caterpillar C12 Engines Black Ceramic Coated CARB EO # D773-2 Sold Individually
PDI Diesel 3489CB
Features:
- Constructed from a high-silicon molybdenum ductile iron (HSMD) material
- Increases airflow up to 20% over the OEM exhaust manifold
- Lowers EGT (exhaust gas temperature) by 75-100 degrees
- Provides a balance in exhaust pressure to turbocharger boost pressure ratios
- Reduces engine turbocharger lag
Note: Requires installation kit 3489K
Emissions: CARB EO # D773-2 (California Air Resources Board) is legal to sell in California and any US state adopting CA restrictions.
Increase Exhaust Performance and Efficiency
PDI Diesel Big Boss Exhaust Manifolds are designed to maximize exhaust airflow, delivering performance gains and lowered exhaust temperatures. Each Big Boss exhaust manifold is tested and proven to provide a more balanced flow for the engine's turbocharger, reducing turbo lag and increasing overall efficiency. They are available in coated and uncoated versions to fit your budget.
Part TypeExhaust Manifold
Product LinePDI Diesel Big Boss Exhaust Manifolds
BrandPDI DIESEL
Package Height7.0
Package Width9.0
Package Length38.0
Weight37.0 PG
Part CategoryPerformance Parts
Weld-UpNo
QuantitySold individually
Reducers IncludedNo
Exhaust Manifold MaterialHigh silicon ductile iron
Catalytic Converter(S) IncludedNo
Exhaust Manifold FinishBlack Ceramic
Vendor Part Number3489CB
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
