3-Bolt Flange Header Reducer 3" Diameter Collector

Vehicle Info Needed

HEDMANPART NUMBER: 500-21142

3-Bolt Flange Header Reducer 3" Diameter Collector

Name: 3-Bolt Flange Header Reducer 3" Diameter Collector
Brand: HEDMAN
SKU: 500-21142
Price: 26.99 USD
Availability: InStock

^$26⁹⁹

Ships on Sep 02, 2026

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555-30012

Steel Reducers with O2 Fittings [3 in. Collector to 2 1/2 in. O.D.]

^$45⁰⁰

Header Reducers with Oxygen Sensor Fitting

1/pkg

3" Diameter Collector
2-1/2" OD Outlet
Pre-Welded O2 Sensor Fitting
Oxygen Sensor Reducer

Part TypeHeader Reducer

BrandHEDMAN

Package Height4.0

Package Width6.0

Package Length7.0

Weight1.29 PG

Part CategoryPerformance Parts

MountingBolt

Gaskets IncludedYes

Oxygen Sensor Bung IncludedYes

Reducer MaterialSteel

Collector Attachment3-bolt flange

QuantitySold individually

Reducer Outlet Diameter2.5 in (63.5 mm)

Collector Diameter3 in (76.2 mm)

Bolts/Studs IncludedYes

Part FitmentUniversal

Reducer FinishPainted

Vendor Part Number21142

Package Qty1

Package TypeEA

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