Description
Product Overview
The Four Seasons 18954 180° horse shoe female standard O‑Ring is a precision‑engineered component for automotive air‑conditioning systems. Crafted from high‑grade rubber, it offers excellent elasticity and resistance to temperature fluctuations. With a nominal wall thickness of 0.25 inches and a compact 1 × 1 × 1 inch profile, this gold‑finished fitting ensures a secure, leak‑free connection for suction lines. Its lightweight design (13.61 g) makes handling effortless, while the standardized dimensions guarantee compatibility with a wide range of A/C assemblies.
Usage
Designed for professional mechanics and DIY car owners, this O‑Ring is ideal for replacing worn or damaged suction fittings in both passenger vehicles and light trucks. It performs reliably in high‑pressure environments, making it suitable for routine maintenance, system overhauls, and emergency repairs. Whether you are servicing a domestic sedan or a performance vehicle, the 180° horse shoe design simplifies installation and reduces the risk of misalignment.

Why Choose Us
Four Seasons is a trusted name in automotive components, known for rigorous quality control and durable materials. Each O‑Ring undergoes strict testing for compression set, tensile strength, and temperature resistance, ensuring long‑term performance. Our gold‑colored finish not only adds a professional aesthetic but also provides an extra layer of corrosion protection. Backed by a reputable manufacturer and a clear product lineage, this fitting delivers confidence in every installation.
Key Features
- Premium rubber construction for superior elasticity and seal integrity
- 0.25 inch wall thickness delivers a tight, leak‑proof fit
- Standard 180° horse shoe design simplifies alignment and installation
- Gold finish adds corrosion resistance and a professional appearance
- Compact 1 × 1 × 1 inch dimensions fit tight engine compartments
FAQ
What vehicles are compatible with this O‑Ring?
The Four Seasons 18954 O‑Ring fits most automotive air‑conditioning systems that use standard 180° horse shoe suction fittings, including many domestic and import models.
Is the gold color purely cosmetic?
While the gold coating provides a sleek look, it also offers an additional barrier against corrosion, extending the part’s service life.
Can I install this O‑Ring without special tools?
Yes, the design allows hand‑installation with basic torque wrenches. Ensure the mating surface is clean for optimal sealing.
What is the warranty on this product?
Four Seasons provides a one‑year limited warranty covering material defects and manufacturing errors.
How does the wall thickness affect performance?
A 0.25 inch wall thickness balances flexibility and strength, delivering a secure seal while resisting deformation under pressure.







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