GRAND ROCK Grand Rock R5I-4IA REDUCER,5"ID X 4"ID,ALZ Part No: R5I-4IA
$39.34
The Grand Rock R5I-4IA reducer offers a robust 5″ inside diameter inlet and a 4″ inside diameter outlet in an aluminized construction, providing long-lasting resistance to heat and corrosion. Ideal for heavy-duty and vocational truck exhaust applications, this reducer supports exhaust flow optimization and system compatibility. Sold by Wofford Truck Parts, it delivers quality and performance when you need to step down your exhaust piping with confidence.
Specifications
The Grand Rock R5I-4IA reducer is a heavy-duty exhaust adapter designed for durability and performance. Made from aluminized steel, it connects a 5-inch ID inlet to a 4-inch ID outlet, ensuring smooth exhaust flow and corrosion resistance. Ideal for vocational trucks, fleets, and aftermarket upgrades, it withstands high heat and tough environments. Easy to install and compatible with multiple exhaust setups, this reducer provides long-lasting value and reliability from Grand Rock, available at Wofford Truck Parts.
Weight
2
Compatibility
Alternative Part Numbers
- OEM / Interchanges: HDM28-540A
- NEL89277A
- R5I4IA
Related Parts
Automann
Part No: M460418
$20.98
View Part
Contact Us
Automann
Part No: 561.46737
$25.47
View Part
Contact Us
Automann
Part No: 561.46817
$63.73
View Part
Contact Us
Automann
Part No: 820.B75320P
$440.56
View Part
Contact Us
GRAND ROCK
Part No: L590-1212SA
$59.63
View Part
GRAND ROCK
Part No: S4-120EXA
$171.74
View Part
Contact Us
