SKU: 0986332400896
Bosch 12V 30A Mini-Relay (OE 0008210247/1259926/1348657) Mercedes W123 W124 Land Rover
The Bosch 12V 30A Mini-Relay provides precise electrical control for automotive systems like fuel pumps horns and cooling fans. This OEM-quality part fits Mercedes-Benz W123 W124 series from 1976-1995 and Land Rover Defender Discovery 1990-1998. It ensures consistent operation under high loads for dependable vehicle performance.
Key Features
- 12V 30A Rating: Handles continuous 30 amps at 14VDC for fuel pumps starters and accessories without overheating
- Compact Mini Design: 1.1 x 1.1 x 1.2 inches fits tight relay panels in engine bays
- Integrated Suppression Diode: Protects circuits from voltage spikes extending relay and switch life
- Vibration-Resistant Build: Sealed housing withstands road shock and temperatures from -40F to 250F
- Direct OE Match: Replaces Mercedes 0008210247 Land Rover A1259926 1348657 with identical pinout 85 86 30 87
Product Notes
- Inspect wiring harness for corrosion before installation
- Test relay coil resistance 80-120 ohms for proper function
- Store in dry area to avoid moisture damage
Installation Notes
- Professional installation recommended.
- Disconnect battery before swapping relay
- Uses standard 4-prong ISO mini socket no adapters needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1976-1985 | Mercedes-Benz | 240D | All |
| 1977-1985 | Mercedes-Benz | 300D | All |
| 1979-1985 | Mercedes-Benz | 300TD | All |
| 1980-1991 | Mercedes-Benz | 380SE | All |
| 1984-1993 | Mercedes-Benz | 190E | 2.3 2.6 |
| 1986-1995 | Mercedes-Benz | E300 | Diesel |
| 1990-1997 | Land Rover | Defender 90 | All |
| 1994-1998 | Land Rover | Discovery | All |
| 1974-1989 | Porsche | 911 | All |
| 1980-1991 | Mercedes-Benz | 560SEL | All |
Why Choose Bosch?
- Original equipment supplier to Mercedes Land Rover Porsche
- Over 100 years crafting relays for automotive reliability
- Precision German engineering for exact OE specifications
Frequently Asked Questions
- Q: Will this relay work on my 1982 Mercedes 300D fuel pump circuit?
- A: Yes it directly replaces OE 0008210247 with matching 30A capacity and 4-pin configuration for seamless fit
- Q: What is the relay housing material?
- A: Durable polyamide thermoplastic resists heat oil and impacts for long-term engine bay use
- Q: What warranty coverage applies?
- A: Bosch provides limited lifetime warranty against defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 4 x 3 x 2 inches
- Weight: 0.07 lbs
Bosch
Bosch is one of the world's leading automotive parts suppliers, manufacturing spark plugs, fuel injectors, oxygen sensors, wiper blades, and electrical components trusted by OEM manufacturers and independent shops for over a century. Popular Bosch ProductsBrowse the full Bosch catalog to find the right upgrade for your application. Every product ships fast with fitment verified against manufacturer specifications. What Bosch parts are most commonly replaced?Bosch spark plugs, O2 sensors, mass airflow sensors, and fuel injectors are the most frequently purchased replacement parts. Bosch Iridium and Platinum spark plugs are especially popular for their long service life and consistent performance. Are Bosch parts OEM quality?Yes, Bosch is a primary OEM supplier for many European and domestic manufacturers, meaning their aftermarket replacement parts often meet or exceed original factory specifications. Explore related categories: Exhaust Systems, Cold Air Intakes, Suspension Upgrades.
View Bosch Products
Hardware
Automotive hardware encompasses the fasteners, clips, retainers, and mounting hardware that hold virtually every component on a vehicle in place, from engine bay bolts that endure extreme heat and vibration to interior trim clips that must release cleanly during service without breaking. Quality automotive hardware from brands including ARP, Dorman, and OEM equivalent suppliers provides reliable clamping force and corrosion resistance that cheap hardware does not, reducing the likelihood of seized or stripped fasteners that turn a simple service into a time-consuming repair. For engine and high-stress suspension applications, ARP's heat-treated fasteners provide torque capacity and fatigue resistance that exceed standard hardware grade specifications by a significant margin. For interior, body, and trim applications, OEM-equivalent push pins, clips, and retainers from Dorman provide exact-fit replacements that insert and release correctly without the frustration of incompatible gene...
View Hardware Products
Hardware - Singles
Individual automotive hardware pieces allow builders, fabricators, and repair technicians to purchase the exact fastener or clip needed for a specific application without purchasing a complete assortment or kit that contains many items that will never be used. From a single M10x1.25 socket head bolt for a caliper bracket to a specific Dorman push pin retainer for a door panel, individual hardware items are the solution for targeted repairs that require an exact match to the factory or application specification. Professional shops stock individual hardware items to avoid the delay of ordering complete kits for single-item needs, and enthusiast builders maintain a selection of critical fasteners for their specific vehicle platform to avoid build interruptions from a single missing bolt or clip. Quality individual hardware from ARP, Dorman, and metric fastener suppliers provides the same reliability as complete kit purchases at the appropriate quantity for each specific need. Popular U...
View Hardware - Singles Products


