Exhibit 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our reports dated March 6, 2006, accompanying the consolidated financial statements
and managements assessment of the effectiveness of internal control over financial reporting
included in the Annual Report of Sun Hydraulics Corporation on Form 10-K for the year ended
December 31, 2005. We hereby consent to the incorporation by reference of said reports in the
Registration Statements of Sun Hydraulics Corporation on Forms S-8 (File No. 333-30801, effective
July 3, 1997, File No. 333-83269, effective July 20, 1999, File No. 333-62816, effective June 12,
2001, File No. 333-66008 effective July 27, 2001, File No. 333-119367, effective September 29,
2004, and File No. 333-124174, effective April 19, 2005).
/s/ GRANT THORNTON LLP
Tampa, Florida
March 6, 2006