1999 Porsche Radiator Cap - PAB121321A | OEC Porsche Retail Demo Site, Richfield OH

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Radiator Cap
This Fits Your Porsche

Part Number: PAB121321A
Supersession(s): PAB-121-321-A

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End Cap. Radiator Cap. Reservoir Cap.
Location-Reservoir. Radiator Cap.

Engine Coolant Reservoir Cap

Fits Cayenne

2.9 LITER. 3.0 LITER, W/E-HYBRID. 4.0 LITER W/E-HYBRID. EXPANSION TANK CAP; Cayenne.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 1999 Porsche to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.

Hybrid components. Battery. Cooling system.

Full Diagram

Cayenne; 11/25/19 To 08/22/21. Cayenne; 3.0L. Cayenne; 3.6KW. Cayenne; 4.0L; Center. Cayenne; 4.0L; Left. Cayenne; 4.0L; Right. Cayenne; 7.2KW; 08/24/20 To 06/19/21. Cayenne; 7.2KW; From 06/21/21. Cayenne; 7.2KW; To 08/23/20. Cayenne; Charging Socket; 3.6 kW. Cayenne; Charging Socket; 7.6 kW. Cayenne; From 08/17/20. Cayenne; From 08/23/21. Cayenne; Power Module to Motor; 3.0L. Cayenne; Power Module to Motor; 4.0L. Cayenne; To 08/16/20. Cayenne; To 11/24/19. EXPANSION TANK CAP; Cayenne. RELAY module assy; Cayenne; From 11/29/21. RELAY module assy; Cayenne; To 11/28/21.

EXPANSION TANK CAP; Cayenne.

RADIATOR & COMPONENTS.

Full Diagram