SUN HYDRAULICS, INC.






UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING		___________________________ OMB APPROVAL ___________________________ OMB Number 3235-0058 Expires: March 31, 2006 Estimated average burden hours per response .. 2.50 ___________________________ SEC FILE NUMBER 000-21835 ___________________________ CUSIP NUMBER 866942 10 5


(Check One):	oForm 10-K	oForm 20-F	xForm 11-K	oForm 10-Q	oForm 10-D	oForm N-SAR	oForm N-CSR


		For Period Ended: December 31, 2004 __________________________________

		o Transition Report on Form 10-K
		o Transition Report on Form 20-F
		x Transition Report on Form 11-K
		o Transition Report on Form 10-Q
		o Transition Report on Form N-SAR

		For the Transition Period Ended: ___________________________________________________________

Read Instruction (on back page) Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that
the Commission has verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

PART I — REGISTRANT INFORMATION

Sun Hydraulics Corporation

Full Name of Registrant

Former Name if Applicable

1500 West University Parkway

Address of Principal Executive Office (Street and Number)

Sarasota, FL 34243

City, State and Zip Code

PART II — RULE 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)


	(a)	The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense
x	(b)	The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
	(c)	The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

PART III — NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.


SEC 1344 (03-05)		Persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

The Form 11-K was not filed within the prescribed time period due to a delay in the receipt of certain required information from the third party administrator necessary for our independent auditors to complete the audit.

(Attach Extra Sheets if Needed)

PART IV — OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification


Dennis Tichio	941	362-1288
(Name)	(Area Code)	(Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). Yes x No o

(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? Yes o No x

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

Sun Hydraulics Corporation

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.


Date June 8, 2005	By /s/ Richard Dobbyn Richard Dobbyn Chief Financial Officer


(1)	Name and telephone number of person to contact in regard to this notification


(2)	Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). Yes x No o


(3)	Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? Yes o No x

	If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.