Bosch 0332014150 12V 30A: Interchangeable Relay Cross-References Guide

In the complex world of automotive and industrial electrical systems, relays play a crucial role in ensuring proper current flow and system protection. One such widely recognized and respected relay is the Bosch 0332014150 12V 30A relay. With a reputation for reliability and durability, this relay is a common fixture in vehicles, machinery, and electronic systems around the globe.

This article explores in-depth what the Bosch 0332014150 relay is, its technical specifications, applications, and, most importantly, the interchangeable cross-reference options available. Whether you’re a mechanic, electrical engineer, or DIY enthusiast, understanding relay alternatives can save time, money, and downtime in any project or repair.

Understanding the Bosch 0332014150 12V 30A Relay

The Bosch 0332014150 is a standard 5-pin SPDT (Single Pole Double Throw) automotive relay, designed to handle 30 amperes at 12 volts DC. It is built using Bosch’s high-quality engineering and is valued for:

• Durability

• Thermal protection

• Corrosion resistance

• High switching capacity

Technical Specifications:

This relay is used in a broad range of automotive applications, including headlight circuits, fuel pumps, air conditioning systems, and ignition systems.

Why Are Cross-References Important?

When the original part is discontinued, out of stock, or unavailable in certain regions, finding an interchangeable cross-reference becomes critical. Fortunately, the Bosch 0332014150 has numerous compatible equivalents from well-known brands that match both in electrical performance and physical layout.

Interchangeable relays must fulfill the following conditions:

• Same voltage (12V)

• Equal or higher current rating (30A minimum)

• Identical or compatible terminal configuration (standard Bosch 5-pin)

• Similar physical dimensions and mounting type

Top Interchangeable Cross-References for Bosch 0332014150

Below are several trusted brands and part numbers that are considered interchangeable with Bosch 0332014150 based on expert consensus and industry use.

1. Tyco Electronics / TE Connectivity V23234-A0001-X037

• Fully compatible 5-pin 12V 30A SPDT relay

• Known for robust quality in automotive and industrial applications

• Frequently used in OEM assemblies

2. Hella 933332041

• German-made, high-performance 12V 30A relay

• Drop-in replacement for Bosch 0332014150

• Common in European car models like BMW, Mercedes, and Audi

3. Omron G8HN and G8P Series

• Global leader in electromechanical components

• Offers relay options with pin and electrical compatibility

• Omron G8P-1C4P or G8HN series can substitute depending on model configuration

4. Wehrle WE20207000

• Mini relay with NO (Normally Open) configuration

• Fully interchangeable with Bosch 0332014150 in terms of amperage and voltage

• Built to withstand extreme temperatures and moisture, ideal for rugged use

5. Herth+Buss Elparts 75613211

• Engineered specifically for the automotive aftermarket

• Widely used across European auto brands

• Offers consistent electrical contact and long-term durability

6. Narva 68012BL

• Available in Australia and Asia-Pacific regions

• Similar specs and terminal layout

• Common among aftermarket suppliers and repair shops

How to Identify a Suitable Replacement Relay

Before purchasing a cross-reference relay, it’s essential to validate a few technical factors:

1. Terminal Layout

Ensure the new relay follows the same 5-pin configuration as the Bosch standard: 87, 87a, 30, 85, and 86.

2. Relay Function

Confirm whether the system requires a Normally Open (NO), Normally Closed (NC), or SPDT type. Bosch 0332014150 is SPDT.

3. Mounting Style

Check the mounting style, which should support plug-in or PCB configurations. The Bosch relay typically uses blade terminals for socket-based plug-in installation.

4. Size and Shape

Dimensions matter for confined automotive spaces. Always match size and mounting orientation.

5. Environmental Resistance

If the relay will be used in extreme environments (high humidity, engine bay, etc.), pick a sealed or weatherproof replacement.

Common Applications of Bosch 0332014150 and Its Crosses

This relay and its substitutes are used in:

• Automotive lighting circuits (high/low beams, fog lamps)

• Radiator and cooling fan systems

• Starter motor circuits

• Horns and alarms

• Fuel injection systems

• HVAC (heating, ventilation, air conditioning)

• Auxiliary power outlets

Its cross-reference relays serve identical applications with the same reliability.

Availability and Where to Buy

The Bosch 0332014150 and its equivalents are available across multiple platforms:

• Auto parts retailers (e.g., AutoZone, NAPA, Repco)

• Online marketplaces (Amazon, eBay, RockAuto)

• OEM supply networks

• Electronics and industrial automation suppliers (Mouser, Digi-Key)

When shopping, be sure to verify:

• Genuine branding (beware of counterfeits)

• Matching specifications

• Warranty and return policy

Benefits of Using Cross-Reference Relays

• Improved availability: Easier to source locally

• Cost efficiency: Some equivalents may be more affordable

• Versatility: Different manufacturers offer sealed, compact, or heavy-duty versions

• Global support: Brands like Omron and TE Connectivity have global distribution

Final Thoughts

Understanding the Bosch 0332014150 relay and its interchangeable crosses is essential for both professionals and hobbyists. Whether you’re maintaining a fleet of vehicles or repairing a single component, knowing which relays can serve as suitable alternatives helps avoid delays and ensures reliable performance.

Always consider brand reputation, specification match, and use case when choosing an equivalent. Bosch set the gold standard, but companies like Hella, Omron, TE Connectivity, and Wehrle have stepped up with worthy substitutes.

As technology evolves, the need for dependable, interchangeable components remains vital. Next time you’re hunting for a Bosch 0332014150 12V 30A relay or its alternative, refer to this guide to make an informed choice.

This article is brought to you by Empire Magazines, your trusted source for technical insights, auto parts guidance, and industry updates.