The 7/16 banjo bolt is a common component in brake and hydraulic systems, connecting banjo fittings to brake lines and hoses. This article highlights five reliable 7/16 x 20 UNF (AN4) banjo bolts from trusted brands, describing their features, compatibility, and typical uses. Whether you’re upgrading a braking system on a motorcycle, car, or performance vehicle, these options offer copper washers for secure seals and durable stainless steel construction to resist corrosion.
Summary of chosen products:
| Product | Brand | Material | Length | Washers | Key Benefit |
|---|---|---|---|---|---|
| 4AN 7/16 x 20 UNF Stainless Steel Banjo Bolt | Podavelle Store | 304 Stainless Steel | 25 mm | 2 Copper Washers | Compact length for tight spots |
| Dorman 13935 Brake Hose Bolt | Dorman Store | Metal (likely steel) | 7/8 in | Not specified | Direct factory replacement |
| X AUTOHAUX 2pcs Stainless Steel Banjo Bolts | X AUTOHAUX Store | Stainless Steel + Copper Washers | 32 mm | 2 Washers | Two bolts per pack for convenience |
| ACDelco Gold 18K1535 Front Brake Hose Bolt | ACDelco Store | Premium aftermarket | Not specified | Not specified | Trusted brand and fit |
| AC PERFORMANCE Banjo Bolt 7/16 x 20 | AC PERFORMANCE Store | Stainless Steel (SUS304) | 25 mm | 2 Copper Washers | Reliable alternative for high performance |
4AN 7/16 x 20 UNF Stainless Banjo Bolt With Washers
Product overview: This stainless steel, AN4 (7/16″-20 UNF) banjo bolt is designed for brake and clutch systems, offering a 25 mm length excluding the hex head and included copper washers. Compatible with master cylinders, wheel cylinders, calipers, and other hydraulic components, it provides a reliable seal in high-pressure lines where space is tight. The kit includes two copper washers to ensure a proper seal during installation.
Key considerations:
- Material: 304 stainless steel resists corrosion and heat exposure typical in braking systems.
- Length: 25 mm length without hex head fits many compact chassis configurations.
- Washers: Copper washers help prevent leaks and ensure a tight seal under pressure.
- Applications: Suitable for brake lines, calipers, and clutch line adaptions to flex hoses.
Dorman 13935 Brake Hose Bolt
Product overview: Dorman 13935 is a direct replacement brake hose bolt designed to match the factory part on specific years, makes, and models. It serves as a practical solution when a bolt is missing or failed due to fatigue. The construction emphasizes durability and long service life to keep brake lines secure and leak-free.
Key considerations:
- Direct replacement: Ensures fit and function close to original equipment.
- Durability: Built to withstand road and heat exposure over time.
- Compatibility: Check vehicle application to ensure correct fitment for your model.
X AUTOHAUX 2pcs Stainless Banjo Bolts
Product overview: This listing provides two stainless steel banjo bolts with AN4 7/16-20 threads, including copper washers. The bolts measure 32 mm in length (excluding hex), with a 10 mm inner washer diameter. The set emphasizes precise machining and endurance for use in car and motorcycle braking systems, ensuring reliable sealing in tight routing scenarios.
Key considerations:
- Material and finish: Stainless steel offers excellent corrosion resistance for marine or humid environments.
- Dimensional accuracy: 32 mm length handles longer routing paths while maintaining a compact head.
- Washers: Copper washers are included to ensure leak-proof connections.
- Versatility: Suitable for both automotive and motorcycle brake lines requiring a 7/16-20 AN bolt.
ACDelco Gold Front Brake Hose Bolt
Product overview: ACDelco Gold 18K1535 offers a premium aftermarket replacement that emphasizes dependable performance for front brake hoses. The part is manufactured to meet fit, form, and function expectations, aligning with OEM specifications to ensure compatible operation within a variety of GM-based and other compatible braking systems.
Key considerations:
- Brand reliability: ACDelco is recognized for quality OE-style components.
- Performance focus: Emphasizes dependable stopping performance and leak prevention.
- Application clarity: Verify fitment against your vehicle’s year, make, and model to ensure compatibility.
AC PERFORMANCE Banjo Bolt 7/16 x 20
Product overview: This stainless steel banjo bolt from AC PERFORMANCE is sized AN4 7/16-20 with a 25 mm length (without hex). It includes two copper washers, offering a sealed connection for brake and hydraulic lines. The use of SUS304 stainless steel provides corrosion resistance, making it suitable for high-performance and daily-use vehicles alike.
Key considerations:
- Material quality: SUS304 grade stainless steel offers robust durability in demanding environments.
- Sealing: Copper washers included for reliable stationary seals under pressure.
- Dimensions: 25 mm length supports tight routing and compact installations.
Buying Guide: Key Purchase Considerations
When selecting a 7/16 banjo bolt, consider the following factors to ensure proper fit and performance across different vehicles and applications:
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<li Thread size and type: Most brake lines use 7/16-20 UNF (AN4). Verify your system’s thread specification before purchasing.
- Material and corrosion resistance: Stainless steel (304 or 316) is preferred for durability in brake systems, especially in areas with exposure to moisture or road salt.
- Length and head clearance: Banjo bolts come in various lengths. Measure available space to avoid interference with calipers, brackets, or hoses.
- Washers and seals: Copper washers are common for ensuring leak-free seals; ensure washers are included or purchased separately if needed.
- Compatibility: Check vehicle year, make, model, and the specific brake components (master cylinders, calipers, hoses) to confirm fitment.
- OEM vs aftermarket: OEM-style bolts offer direct fit, while aftermarket options may provide enhanced corrosion resistance or cost benefits. Consider brand reputation and warranty.
- Quantity: Some listings include multiple bolts; having a spare can be beneficial for future maintenance or repairs.
Typical use cases include upgrading brake line connections on motorcycles or cars, converting brake lines to flexible hoses, and replacing missing or worn bolts in hydraulic clamping systems. Always follow manufacturer torque specifications and use proper copper washers to prevent leaks and ensure safety.