ATP SO21 — Fitment Guide

Part number SO21 from ATP is matched to 21 year-and-engine configurations spanning 1969 to 1997. Fitment can still depend on position, trim or production date — read the notes before ordering. ← Back to part details

Manufacturer notes
High Clutch Piston SetLCS - Extension Housing To Case

Compatible Vehicles (21)

Showing 21 configurations of 21 configurations

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1997 Hummer H1 6.5L V8 DIESEL Turbocharged Fits: 1997 Hummer H1 6.5L V8 DIESEL Turbocharged View on
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1996 Hummer H1 5.7L V8 Fits: 1996 Hummer H1 5.7L V8 View on
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1996 Hummer H1 6.5L V8 DIESEL Fits: 1996 Hummer H1 6.5L V8 DIESEL View on
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1996 Hummer H1 6.5L V8 DIESEL Turbocharged Fits: 1996 Hummer H1 6.5L V8 DIESEL Turbocharged 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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1994 Hummer H1 6.5L V8 DIESEL Fits: 1994 Hummer H1 6.5L V8 DIESEL View on
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1984 Bentley CORNICHE 6.7L V8 Fits: 1984 Bentley Corniche 6.7L V8 View on
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1982 Checker MARATHON 3.8L 229cid V6 Fits: 1982 Checker Marathon 3.8L 229cid V6 View on
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1982 Checker MARATHON 5.7L 350cid V8 DIESEL Fits: 1982 Checker Marathon 5.7L 350cid V8 DIESEL View on
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1979 Bentley CORNICHE 6.8L V8 Fits: 1979 Bentley Corniche 6.8L V8 View on
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1978 Bentley CORNICHE 6.8L V8 Fits: 1978 Bentley Corniche 6.8L V8 View on
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1977 Bentley CORNICHE 6.8L V8 Fits: 1977 Bentley Corniche 6.8L V8 View on
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1976 Bentley CORNICHE 6.8L V8 Fits: 1976 Bentley Corniche 6.8L V8 View on
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1976 Checker MARATHON 4.1L 250cid L6 Fits: 1976 Checker Marathon 4.1L 250cid L6 View on
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1975 Bentley CORNICHE 6.8L V8 Fits: 1975 Bentley Corniche 6.8L V8 View on
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1975 Checker MARATHON 4.1L 250cid L6 Fits: 1975 Checker Marathon 4.1L 250cid L6 View on
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1973 Bentley CORNICHE 6.8L V8 Fits: 1973 Bentley Corniche 6.8L V8 View on
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1972 Bentley CORNICHE 6.8L V8 Fits: 1972 Bentley Corniche 6.8L V8 View on
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1971 Bentley T1 SERIES 6.8L V8 Fits: 1971 Bentley T1 Series 6.8L V8 View on
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1970 Bentley T1 SERIES 6.8L V8 Fits: 1970 Bentley T1 Series 6.8L V8 View on
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1969 Bentley T1 SERIES 6.2L V8 Fits: 1969 Bentley T1 Series 6.2L V8 View on
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Frequently Asked Questions

How many vehicles does ATP SO21 fit?

21 Year-and-engine configurations from 1969 to 1997. Each row is one published application — year, make, model and engine.

If my vehicle is in this list, is SO21 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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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.