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Description
Bosch Blue 12V Ignition Coil with Bracket — 3.4 Ohm, Epoxy Filled | VW 1967+ (00-9409-B)Genuine Bosch Blue ignition coil with factory style mounting bracket 12 volt, 3. 4 ohm primary resistance, epoxy filled, boxed. The classic period correct ignition coil for restored 12V air cooled VWs and other vintage European vehicles. EMPI part #00 9409 B. The Bosch Blue legacy Bosch Blue coils have been the standard 12V ignition coil for air cooled VWs since the original 12V cars rolled off the line in 1967. The distinctive blue casing, period
Genuine Bosch Blue ignition coil with factory-style mounting bracket — 12 volt, 3.4 ohm primary resistance, epoxy-filled, boxed. The classic period-correct ignition coil for restored 12V air-cooled VWs and other vintage European vehicles. EMPI part #00-9409-B.
The Bosch Blue legacy
Bosch Blue coils have been the standard 12V ignition coil for air-cooled VWs since the original 12V cars rolled off the line in 1967. The distinctive blue casing, period-correct shape, and Bosch quality made it the OE choice for VW and the long-standing first call for restorers ever since. For a numbers-correct restoration of a 1967 or later 12V Beetle, Karmann Ghia, Type 3, or Bus, the Bosch Blue is the right coil.
This version is the modern epoxy-filled production — sealed, durable, and mount-in-any-orientation. The bracket is included so you have everything needed to replace a tired or non-functional original.
Specifications
- Voltage: 12 volts
- Primary resistance: 3.4 ohms
- Construction: Epoxy filled (sealed, any orientation)
- Color: Blue
- Brand: Bosch (German OE supplier)
- Bracket: Included
- Packaging: Boxed (factory packaging)
- Part number: 00-9409-B
Fitment
- VW Beetle: 1967–1979 (factory 12V)
- VW Karmann Ghia: 1967–1974
- VW Type 3: 1967–1973
- VW Bus / Transporter: 1967 onward
- VW Thing (Type 181): 1973–1974
- Air-cooled VWs converted from 6V to 12V electrical
- Vintage Porsche, BMW, Mercedes, and other 12V points-ignition vehicles
Will NOT work for: 6-volt electrical systems (use a 6V coil instead — for original-spec 1966 and earlier VWs).
FAQ
Bosch Blue vs Beru Blue — which should I get?
Functionally equivalent. Both are 12V German-brand 3.4–3.5 ohm coils. Bosch was the OE supplier on VW; Beru is also period-correct on many German cars. Either is correct for a restored air-cooled VW.
Bosch Blue vs Bosch Black — which is better?
For numbers-correct restorations, the Blue is the period-correct choice. The Black is a newer high-energy design with slightly hotter spark; it's the better choice for a daily-driven or performance application where modern-spec ignition is welcome.
Can I mount it upside down?
Yes. This is an epoxy-filled coil — no orientation restrictions. Mount in any position.
Is this the same coil that came on my 1973 Beetle from the factory?
Functionally identical. The original 1973 factory coils were oil-filled rather than epoxy-filled, but the modern Bosch Blue is the direct replacement and uses the same housing color, mounting pattern, and electrical specs.
What's the bracket for?
The bracket mounts the coil to the engine fan shroud (on most air-cooled VWs) or to the firewall (on some installations). The included bracket matches the factory Bosch mounting pattern.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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