TP3-20 Expansion Tank Cap 1.2 Bar Yellow 60mm

TP3-20 Expansion Tank Cap | 1.2 Bar Yellow (60 mm, External Thread)

TP3-20 is a yellow screw-on coolant expansion tank cap rated at 1.2 bar (120 kPa), 60 mm outer diameter with an external thread. The yellow 1. In the TecDoc catalogue this cap is listed against Chevrolet, Opel and Saab applications, including the Saab 9-3 II. Note the difference from our TP3-17: same pressure and colour, but TP3-17 is 62 mm with an internal thread. Check which way your bottle’s thread runs before ordering.

Key Features

• Yellow screw-on expansion bottle cap, 60 mm, external thread
• Calibrated 1.2 bar (120 kPa) pressure rating
• Cures pressure loss, overheating and constant top-ups
• Fresh seals stop coolant loss and low-coolant warnings
• Pair check: external thread = TP3-20, internal thread = TP3-17

Specifications

• Opening pressure: 1.2 bar (120 kPa / approx. 17 psi)
• Outer diameter: 60 mm · Height: 37 mm · Colour: yellow
• Mounting: screw connection, external thread
• Part reference: TP3-20 (cross: OSSCA 11450, PRESCO PRC820)

Vehicle Applications | What This Cap Fits

The TecDoc parts catalogue lists 38 vehicle applications for this cap across Chevrolet, Opel and Saab (including the Saab 9-3 II). Vehicle listings are a guide only. Always match the pressure stamping, neck size and reach of the cap you are replacing before ordering.

How to Check You Have the Right Cap

The pressure rating is printed on your original cap. Match the pressure and the cap style, or bring your old cap to our Kempton Park counter and we will match it for you. Never open a radiator or expansion cap while the engine is hot.

Radiator Cap Range at Greyhound Auto Retail

Clip-on metal caps (Neptune): RC1-13, RC1-16, RC2-13, RC2-16 and the full RC3G 60-27 family from 48 to 124 kPa. Screw-on expansion tank caps: 1.2 bar yellow (60 mm and 62 mm), 1.4 bar black, and the 2.0 bar Neptune BMW cap.

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