SBI SB15621 — Fitment Guide

Part number SB15621 from SBI is matched to 6 year-and-engine configurations spanning 1987 to 2003. Fitment can still depend on position, trim or production date — read the notes before ordering. ← Back to part details

Manufacturer notes
High ChromeFor Cast Iron Cylinder Head
Exhaust1-9/16 O.D.1-5/16 I.D.7/32 Depth

Compatible Vehicles (6)

Showing 6 configurations of 6 configurations

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2003 Isuzu NPR 5.7L V8 Fits: 2003 Isuzu NPR 5.7L V8 View on
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2002 Isuzu NPR 5.7L V8 Fits: 2002 Isuzu NPR 5.7L V8 View on
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1994 Buick ROADMASTER 5.7L V8 Fits: 1994 Buick Roadmaster 5.7L V8 View on
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1990 Buick CENTURY 2.5L 151cid L4 Fits: 1990 Buick Century 2.5L 151cid L4 View on
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1988 Merkur XR4TI 2.3L L4 Turbocharged Fits: 1988 Merkur XR4TI 2.3L L4 Turbocharged View on
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1987 Merkur XR4TI 2.3L L4 Turbocharged Fits: 1987 Merkur XR4TI 2.3L L4 Turbocharged View on
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Frequently Asked Questions

How many vehicles does SBI SB15621 fit?

6 Year-and-engine configurations from 1987 to 2003. Each row is one published application — year, make, model and engine.

If my vehicle is in this list, is SB15621 guaranteed to fit?

The row means the manufacturer published fitment for that year, model and engine. Still read the notes for position, trim or production-date qualifiers before you order, and cross-reference the number against the part you are replacing.

Can I jump from this list to the parts for my vehicle?

Yes. Each model link opens the matching category page for that vehicle so you can compare other brands that cover the same fitment.

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