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I am in need of the dip stick for my 1975 Cessna 150 Cont 0200 engine. The parts on the cap that hold the dip stick secure are worn off.

You might try ordering a new one from Continental. There is no part number for it but the correct nomenclature in the 0200-A parts manual is: Oil Gauge and Cap Assembly.

They sell them on spruce and chief.
http://www.aircraftspruce.com/catalog/eppages/oil_dipstick.php?clickkey=10486

You might want to try the gasket first if you can find one.

You can safety if to the closed position (there is a hole in the cap)until your new cap or gasket comes in.

I ordered one of those and was unable to get it to seat securely. I tried various combinations of gaskets but none of the them prevented oil leaking during flight. I am presently using my original oil cap and check the oil level with the AS dipstick.

TELEDYNE CONTINENTAL ® AIRCRAFT ENGINE
SERVICE INFORMATION LETTER
CONTAINS USEFUL INFORMATION PERTAINING TO THE
CONTINENTAL AIRCRAFT ENGINE
SUBJECT: OIL GAUGE ROD APPLICATION
PURPOSE: This Service Information Letter provides engine/aircraft oil gauge rod
application and instruction for ordering oil gauge rods for certain engine
specifications as detailed in Table 1.
COMPLIANCE: Not Applicable
MODELS
AFFECTED: All
SIL 00-7A
TECHNICAL PORTIONS
FAA APPROVED
Supersedes SIL94-6
and SIL 00-7
O-200-A
O-200-B
Cessna (6qt sump) 649608-9

Rod and cap assemblies that contain a leaf spring use P/N 533355 gasket (1/8 inch thick).
Rod and cap assemblies that contain a coil spring use P/N 633240 gasket (1/16 inch thick).
Rod and cap assemblies P/N 649608 and 652171 use gasket P/N 642892.
Oil gauge rod P/N 632062 uses “O” ring P/N MS 9021-011.

1 result returned.
QTY Part No. Description Your Price (Units)

649608-9 ROD & CAP Stock Available $ 145.95 (EA)


Or find one at a salvage yard and buy a new gasket, but under $150 it might be worth going with new vs. a used unknown condition one

Thanks, Brian. I may consider spending the $145 and going with a new one. What I'm doing now is getting old.

Try Aircraft Spruce Part # 08-04613 $46.50 Fits mine after loosing tangs on my old oil dip stick in Clinton .

my brother-in-law is a dip stick, I will send him to you.

Made in Wisconsin.