Ensure a clean, secure, and professional finish on your fluid system with the Earl’s -4 AN Cap. Designed to protect open AN fittings from dirt, moisture, and debris, this premium hardware component delivers a precise seal and durable performance. Crafted from high-strength 2024 aluminum and finished in a vibrant blue anodized coating, it combines long-lasting corrosion resistance with signature Earl’s style. Ideal for professional and DIY automotive applications, this -4 AN female cap provides a snug, leak-free fit that keeps your fluid system protected during maintenance, transport, or storage.
Features:
- Direct-fit -4 AN female cap design
- Precision-machined from 2024 aluminum for superior strength
- Blue anodized finish for corrosion resistance and a clean look
- Prevents contamination and fluid leakage in open lines
- Lightweight construction for performance applications
- Ideal for fuel, oil, and coolant systems