Overview
This genuine Hydrastar Reservoir Cap (P/N HYDCAP, also branded as 32‑7640) is an OEM-grade replacement for Hydrastar HBA-series electric-over-hydraulic brake actuators (1,200 psi & 1,600 psi models). It provides a secure seal to the fluid reservoir and includes a rubber gasket seal for leak prevention
Designed for rugged, outdoor use—this cap is made of durable plastic and incorporates a robust seal to protect fluid integrity. Ideal for maintaining system performance in harsh trailer environments.
🔧 Features & Benefits
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✅ OEM Hydrastar brand cap, exact fit for Hydrastar HBA-series (1,200 psi & 1,600 psi models)
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✅ Includes integrated rubber seal for leak-proof performance
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✅ Made from UV-resistant plastic, designed for long-term outdoor exposure
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✅ Simple twist-lock installation ensures ease of use
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✅ Affordable maintenance item, price under AUD $20
📋 Specifications
| Specification | Detail |
|---|---|
| Part Number(s) | HYDCAP, also referenced as 32‑7640 |
| Compatible Actuators | Hydrastar HBA-Series (1,200 psi and 1,600 psi) |
| Material | Rigid, UV-resistant plastic |
| Includes Seal | Yes — integrated rubber gasket |
| Installation | Twist-and-lock design with tabs |
| Use Case | Seals brake fluid reservoir on trailer actuators |
📦 Package Contents
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1 × Hydrastar Reservoir Cap (P/N HYDCAP / 32‑7640), including integral rubber seal
Shipping is calculated at checkout based on your location.