Heater Pipe O Ring Seal Washer Set For Honda Acura TSX 4 Piece 91315-PNA-003 Rubber Seals Included
Upgrade and protect your Honda/Acura TSX heater system with this 4-piece O-ring seal washer set. Engineered to match the OEM 91315-PNA-003 sizing, these rubber seals deliver a precise, leak-free fit for heater pipe connections. By replacing worn or damaged O-rings, you reduce the risk of coolant leaks, overheating, and temperature fluctuations—helping your heating system perform reliably when you need it most. The kit covers a broad range of TSX trims and compatible Acura models, offering a practical, long-lasting seal solution for 2012–2014 TSX variants and select RDX models. Crafted from high-quality rubber, the O-rings resist moisture and corrosion, delivering durability and better resilience against daily engine vibrations and heat. Installation is straightforward—designed for direct replacement without modifying factory components.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Benefits & Tips
- Ensure a reliable seal by replacing old O-rings during heater system service, reducing the chance of cooling leaks and heater core issues.
- Ideal for a wide range of TSX configurations (Base, Premium, Tech, A-Spec) and select Acura models from 2012–2014, as well as compatible RDX variants from 2011–2012, using OEM part 91315-PNA-003.
- Tip: When installing, clean the seating surfaces and apply a light, compatible lubricant to help seating without twisting or pinching the seals.
Product specifications
- Condition: 100% Brand New
- Item Type: O-Ring
- Material: Rubber
- Color: Black
- OEM Part Number: 91315-PNA-003
- Includes: 4-piece O-ring seal washer replacement set
- Fitment: Fits Acura TSX Base Sedan/Wagon/Premium/Tech/A-Spec 2012–2014 with 2.4L or 3.5L engines; Acura TSX ranges 2012–2013; and select Acura RDX models (2011–2012) as listed in the official fitment notes
Package includes:
- 4 x O-Ring Seals (Black)
Warnings/Reminders
- Verify compatibility with OEM 91315-PNA-003 before installation to ensure a proper fit.
- Disconnect the battery and follow standard safety procedures when performing heater system work.
- Inspect both seating surfaces for damage or debris before replacement to prevent improper seal seating.
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