NOS GM Valve Spring – Part #3735381 – 1982–89 Chevy, Buick, Pontiac, GMC 2.5L / 4.8L Engines
Description:
NOS 1955-83 CORVETTE 1964-69 CORVAIR AND VATIOUS OTHER GM VEHICLES
🔩 GM Part #3735381 – NOS Valve Spring Assembly Overview
GM part number 3735381 is a New Old Stock (NOS) valve spring assembly, designed for use in GM 2.5L inline-4 and 4.8L inline-6 engines from 1982 to 1989. This spring helps maintain proper valve timing and seating pressure, ensuring smooth engine operation and longevity. It’s a direct OEM replacement, manufactured to GM’s original specifications.
📦 Item Details
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Part Number: GM 3735381
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Group Number: GR. 0.296
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Type: Valve Spring Assembly
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Material: Hardened steel
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Dimensions: Approx. 5.2" × 1.7" × 1.6"
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Weight: ~0.5 lbs
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Condition: NOS in original GM packaging
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Fitment Type: Direct replacement
🚗 Vehicle Applications
This valve spring fits a wide range of GM vehicles equipped with 2.5L and 4.8L engines, including:
Buick
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1982–1986 Century, Skylark, Somerset (2.5L)
Chevrolet
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1982–1986 Camaro, Celebrity, Astro, Blazer, C10–C30 trucks (2.5L & 4.8L)
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1985–1989 Blazer (½-ton)
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1984–1988 G10–G30 vans (4.1L & 4.8L)
GMC
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1984–1988 Safari, S15, C/K pickups, Vandura vans (2.5L & 4.8L)
Pontiac
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1984–1986 Fiero, Grand Am, 6000 (2.5L)
Oldsmobile
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1984–1986 Cutlass Ciera, Calais (2.5L)
This part is ideal for restorers working on mid-1980s GM compact cars, trucks, and vans with inline engines.
