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The Omix exhaust manifold heat riser bi-metal spring fits 134 ci L‑Head engines used in 1941–1953 Willys and Jeep models including MB/GPW, CJ2A, CJ3A, Station Wagon/Truck, M38 and Jeepster VJ variants. It restores heat riser operation and matches OE fit standards. Replaces OE 647042, is steel construction, and is backed by a limited five-year warranty; see 17625.01 for complete manifold hardware.
Omix Exhaust Manifold Spring 41-53 Willys & Models
