Parts for your 2013 Toyota Crown-Sump plug washers

2013 Toyota Crown sump plug washers — what they do and when to replace them

Yes, the 2013 Toyota Crown uses a sump plug washer (also called an oil drain plug gasket). Toyota’s factory Repair Manual for the S210-series Crown (Engine/Hybrid System – Engine Oil and Filter procedures) specifies refitting the drain plug with a new gasket each time and tightening to the specified torque. Toyota’s Electronic Parts Catalogue for the S210 Crown (covering 4GR-FSE, 2GR-FSE and 2AR-FSE engines) lists “Gasket, Oil Drain Plug” as a separate service part, commonly P/N 90430-12031 (12 mm aluminium crush type). Those technical sources make it clear the washer is a required sealing component, not optional.

On the 2013 Crown, the sump plug washer’s whole job is to create a reliable seal between the oil pan and the drain bolt once it’s torqued down. It’s a soft, deformable ring (usually aluminium) that “crushes” slightly to take up tiny imperfections, so engine oil can’t weep past the threads or the bolt head face. Because it’s designed to deform once, Toyota treats it as a consumable: replace it whenever the plug is removed.

Owners and workshops should treat the washer as a routine service item, the same as the filter. Re-using an old washer risks slow leaks, a dust-and-grime halo around the plug, or worse, the temptation to over-tighten the bolt to stop a seep—never a good idea on an alloy sump. The Toyota Repair Manual call-out is to install a new washer and torque the drain plug correctly (typically 40 N·m for these engines). Following that simple step keeps the pan face healthy and the threads happy.

For most 2013 Crowns (including Hybrid), the washer size is the common Toyota 12 mm crush type, with the EPC listing 90430-12031. Genuine or high-quality aftermarket equivalents are fine—what matters is the correct inner diameter and a clean, flat mating surface.

• Replace the washer at every oil change or any time the plug is removed.
• Clean the sump sealing face and the plug head before reassembly.
• Fit the new washer to the plug, thread it by hand, then torque to spec—don’t guess.
• Never stack washers or use sealant on the threads, if it needs goop, something’s wrong.

If there’s any doubt about engine variant or regional specification, confirm by VIN against the Toyota EPC or the exact Repair Manual section for your Crown.

Popular questions about 2013 Toyota Crown sump plug washers

What size sump plug washer does a 2013 Toyota Crown use?
Most 2013 Crowns use the 12 mm aluminium crush washer Toyota lists as 90430-12031. This fits the common M12 drain plug used on the 4GR-FSE, 2GR-FSE and 2AR-FSE engines. If you’re unsure, check the EPC by VIN to confirm.

How often should the washer be replaced?
Every oil change, without fail. The washer is engineered to deform once to seal, re-using it increases the chance of weeping or needing excessive torque to seal properly.

What’s the correct torque for the drain plug?
Toyota’s Repair Manual for the S210 Crown specifies tightening the oil drain plug to about 40 N·m when installing with a new washer. Always start the plug by hand and use a torque wrench—over-tightening can damage the pan or threads.