AISIN Engine Timing Chain Tensioner BTH501
AISIN Engine Timing Chain Tensioner BTH501 - view 2
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AISIN Engine Timing Chain Tensioner BTH501 - view 4
AISIN Engine Timing Chain Tensioner BTH501
AISIN Engine Timing Chain Tensioner BTH501 - view 2
AISIN Engine Timing Chain Tensioner BTH501 - view 3
AISIN Engine Timing Chain Tensioner BTH501 - view 4

AISIN Engine Timing Chain Tensioner P/N:BTH-501

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$217.99
MPN: BTH501
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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AISIN Engine Timing Chain Tensioner P/N:BTH-501
AISIN Engine Timing Chain Tensioner P/N:BTH-501
$217.99

Keep the timing belt under steady, correct tension across the rev range with the AISIN Engine Timing Belt Tensioner Hydraulic Assembly BTH-501. This hydraulic tensioner applies pressure to the timing belt system, helping maintain proper belt tension and quiet, accurate valve timing as engine speed changes. It installs as a direct-fit replacement for the 2000-2003 Honda S2000 (L4-2.0L) and the 2004-2009 Honda S2000 (L4-2.2L).

  • OE-engineered and manufactured: designed to provide optimal pressure throughout the RPM range.
  • Hydraulic tensioner assembly: maintains consistent tension on the timing belt for reliable timing.
  • Direct-fit application: replaces the original tensioner on the listed Honda S2000 engines.
  • Country of origin: Japan.

Signs the original tensioner may need replacing include timing-belt rattle or slap, unstable belt tension, or fluid leakage from the hydraulic body. If a worn or failed tensioner is the cause, replacing it with this assembly restores proper belt tensioning. Because it is a key part of the timing-belt system, many technicians replace it together with the timing belt and related components during a scheduled belt service.

Interchange: 024-1660 · W0133-1807048-NTN · 14510-PCX-005
0241660 · W01331807048NTN · 14510PCX005 · 60474 · T66046

This part cross-references / interchanges with the following part numbers:

024-1660, W0133-1807048-NTN, 14510-PCX-005, 60474, BTH-501, T66046

Frequently Asked Questions

What vehicles does the AISIN BTH-501 fit?

It is a direct-fit replacement for the 2000-2003 Honda S2000 (L4-2.0L) and the 2004-2009 Honda S2000 (L4-2.2L). Confirm your engine in the Buyer's Guide tab.

What does this timing belt tensioner do?

This hydraulic assembly applies pressure to the timing belt, helping maintain proper tension and accurate valve timing as engine speed changes across the RPM range.

What are signs my timing belt tensioner is failing?

Common signs include timing-belt rattle or slap, inconsistent belt tension, or fluid leaking from the tensioner body. Have the cause diagnosed before replacing.

Should I replace the timing belt at the same time?

Because the tensioner is part of the timing-belt system, many technicians replace it along with the timing belt and related components during a scheduled belt service.

Where is this AISIN tensioner made?

The country of origin for this AISIN Engine Timing Belt Tensioner Hydraulic Assembly (BTH-501) is Japan.

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