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Distributor Cap | Replacement Distributor Caps

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Distributor Cap | Replacement Distributor Caps

Daiichi Distributor Cap Japan Distributor Cap Daiichi Distributor Cap Japan Distributor Cap Distributor Cap
Japan Distributor Cap Bosch Distributor Cap Germany Distributor Cap Bosch Distributor Cap Daiichi Distributor Cap


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What is a distributor cap?

A distributor cap is a fairly inexpensive plastic cover that sits on top of the distributor shaft and protects the rotor and ignition parts. Since the distributor is responsible for the firing order of the valves, it's important that it be protected and not susceptible to extra sources of corrosion. The distributor cap encases the full top of the distributor shaft and sits just above the rotor and ignition points. The cap also has metal connectors or conductors sticking through the top that connect the spark plugs via spark plug wires. As the rotor turns and causes an electrical spark for each valve (or for each connector), that electricity gets carried up through the conductors in the cap, runs inside the spark plug wires, and then reaches the spark plugs where it ignites the gas and air combination inside the cylinder.

Are there different kinds of distributor caps?

Yes there are. There is the standard or original distributor mentioned above which is called a 'mechanical distributor' or can often be referred to as a 'points distributor.' There is a connecting rod located centrally in the middle of the distributor cap, and it connects to the ignition coil located separately from the distributor. When the coil sends spark, it goes into the central shaft, gets routed to the connectors for each cylinder by the rotor and ignition points, and then the spark is sent through the plug wires to the spark plugs. In the more recent form of distributor shaft and cap system, known as an HEI (High Energy Ignition) distributor, there are a few differences. There is no center post and the ignition coil is located on the distributor. The spark is sent through the cap in a certain firing order and is rotated by the rotor which is powered by a gear from the crankshaft.

Can a distributor cap fail or go bad?

It's really the expectation that your distributor cap will go bad or become worn so that it needs to be replaced. The whole cap is made of fairly inexpensive material just for that reason. Common causes of distributor cap wear would be corrosion in the connectors or ignition points, a crack in the outer casing, connections that become weaker from engine vibration, and any heat or burn damage from a malfunctioning coil or other problems that may occur in that area.

Is one type of distributor system easier to maintain than the other?

Distributor caps for the HEI distributors are definitely easier to maintain then that of the mechanical or points distributors. The points distributors have to bear more of the load as the coil is external and ignition points have to be the bridge to transfer the ignition spark. And since these systems are not one piece, they become corroded faster or wear quickly from engine vibration. HEI distributors are mostly a sealed system and don't corrode as quickly. They do not have to rely on an external coil or internal ignition points, so there are fewer parts involved. Because of this, HEI caps are changed a lot less frequently then their counterparts.

Will I know if I have a bad distributor cap?

There are definitely potential signs that will warn you about possible distributor cap failure. The most common would be the pistons firing out of order. This can cause misfires which can lead to backfires and it can cause the engine to run or idle very roughly. Other signs would include a weak spark which could lead to slower acceleration or dimmer lights, and you may also notice difficulty starting the vehicle, playing your radio, or rolling your windows up or down.

Acura Distributor Cap Audi Distributor Cap BMW Distributor Cap Chevrolet Distributor Cap
Chrysler Distributor Cap Daihatsu Distributor Cap Dodge Distributor Cap Eagle Distributor Cap
Ford Distributor Cap Geo Distributor Cap GMC Distributor Cap Honda Distributor Cap
Infiniti Distributor Cap Isuzu Distributor Cap Jaguar Distributor Cap Jeep Distributor Cap
Jensen Healey Distributor Cap Lexus Distributor Cap Mazda Distributor Cap Mercedes Benz Distributor Cap
Mercury Distributor Cap Mitsubishi Distributor Cap Nissan Distributor Cap Plymouth Distributor Cap
Porsche Distributor Cap Saab Distributor Cap Subaru Distributor Cap Suzuki Distributor Cap
Toyota Distributor Cap Volkswagen Distributor Cap Volvo Distributor Cap


We carry Daiichi Bosch Germany NGK Scan-Tech Japanese Beru Quinton Hazell Distributor Cap.

Acura CL 2.3 4-Cyl. Acura CL 3.0 V6 Acura EL 1.6 4dr (Canada)
Acura Integra GSR B17 1.7 Acura Integra 1.8 GS 3dr Acura Integra GSR B18C1
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Acura Integra 1.8LS/GS 4dr Acura Integra RS LS Non VTEC Acura Integra 1.8RS/LS 4dr
Acura Integra Type R VTEC B18C5 Acura Legend 2.7 L/LS 2dr Acura Legend 2.7 Std. 2dr
Acura Legend 2.7 Std. 4dr Acura TL 2.5 5-Cyl. Acura Vigor 2.5
Audi 200 QT 20V Audi 4000 4 CYL Audi 5000
Audi 90 5 CYL Audi Fox Audi V8 Q
BMW 2002 BMW 318i Sedan BMW 325e
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BMW 535i BMW 635CSi BMW 735i
BMW 750iL BMW M5 Chevrolet Astr CL V6 4.3
Chevrolet Blazer 4.3 Chevrolet Blazer LS 4X4 Chevrolet Blazer LS RWD
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Chevrolet C15 P/up Ext V8 5.0 Chevrolet C15 P/up Reg V6 4.3 Chevrolet C15 P/up Reg V8 5.0
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Chevrolet Camaro V6 2.8 Chevrolet Camaro V8 5.7 Chevrolet Camaro Z28 LS1
Chevrolet Corvette V8 5.7 Chevrolet G30 Van V8 5.7 Chevrolet Impala SS V8 5.7
Chevrolet K35 P/up Ext V8 7.4 Chevrolet Silverado 1500 Extended Cab 4.3 Chevrolet Tahoe 5.7
Chrysler Sebring JXI (Conv) Chrysler Sebring LXI (Coupe) Daihatsu Charade 1.0
Dodge Avenger ES Dodge Avenger V6 2.5 Dodge Caravan Cargo Van
Dodge Durango SLT Dodge Ram 1500 Reg Cab 2WD Dodge Stealth ES
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Ford E-150 Econoline Ford F150 XL
Regular Cab 2WD Truck		 Ford F150 XL
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Ford Mustang GT 5.0 Fox Body Ford Probe GT L4 2.2 Ford Probe GT V6 2.5
Ford Ranger RWD 3.0 V6 Geo Metro L3 1.0 GMC C1500 Sierra P/U
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GMC K1500 Suburban GMC Safari AWD V6 4.3 GMC Savana 15 V8 5.0
GMC V150 Sub V8 5.7 Honda Accord 2.2 DX 2dr Honda Accord 2.2 DX 4dr
Honda Accord 2.2 DX/VP 4dr Honda Accord 2.2 EX 2dr Honda Accord 2.2 EX 4dr
Honda Accord 2.2 LX 2dr Honda Accord 2.2 LX 4dr Honda Accord 2.2 SE 4dr
Honda Accord 2.3 DX/VP 4dr Honda Accord 2.3 EX 4dr Honda Accord 2.3 LX 2dr
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Honda Accord 3.0 V6 2dr Honda Accord 3.0 V6 4dr Honda Accord DX 3dr (carb)
Honda Accord LXi 4dr (F/I) Honda Accord SEi 4dr (F/I) Honda Civic 1.5 DX 2dr
Honda Civic 1.5 DX 3dr Honda Civic 1.5 DX/LX 4dr Honda Civic 1.5 GL 4dr
Honda Civic 1.5 LX 4dr Honda Civic 1.5 Std. 3dr Honda Civic Hatch CX DX
Honda Civic 1.6 DX 2dr Honda Civic 1.6 DX/SE 4dr Honda Civic 1.6 EX 2dr
Honda Civic 1.6 EX 4dr Honda Civic 1.6 HX 2Dr Honda Civic 1.6 LX 4dr
Honda Civic Si B16A2 VTEC Honda Civic 1.6 Si 3Dr Honda Civic 1.6EX/EX-S 2dr
Honda CRV 2.0 B20 EX Honda CR-V 2.0 LX 2WD Honda CR-V 2.0 LX 4WD
Honda CRX 1.5 DX Honda CRX Si D16A6 Honda Del Sol 1.6 VTEC B16
Honda Odyssey 2.2 Honda Odyssey 2.3 Honda Prelude 2.0 Si
Honda Prelude 2.0 Si (F/I) Honda Prelude 2.2 (exc.SH) Honda Prelude 2.2 S SOHC
Honda Prelude H22 SI VTEC Honda Prelude 2.2 Type-SH Honda Prelude H23 2.3 SI SE
Infiniti G20 2.0 Infiniti QX4 3.3 4WD Isuzu Amigo 2.3
Jaguar XJ6 40 6 Cylinder Jaguar XJS - 12 Cylinder Jeep Grand Cherokee Loredo 2WD
Jeep Gd Cherokee Orvs 4WD Jeep Grand Cherokee Limited 4WD Jensen Healey Jensen Healey
Lexus LS400 V8 Lexus SC300 Inline 6 Lexus SC400 V8 Coupe
Mazda 323 Hatchback Mazda 323 Sedan Mazda 626 MX6
Mazda 626 MX6 V6 Mazda 929 S Mazda B2000 2WD Pickup
Mazda B2600 2WD Pickup Mazda B2600 4WD Pickup Mazda GLC FWD
Mazda Millenia 2.5 V6 Mazda MPV 2WD V6 Mazda MX3 16V DOHC
Mazda Protege 4WD Mazda Protege DX, LX Mazda Protege LX
Mazda RX7 Mazda RX7 Turbo Mercedes Benz 190E 2.3
Mercedes Benz 280S Mercedes Benz 280SEc/c 3.5 Mercedes Benz 300CE 24-Valve
Mercedes Benz 300E Mercedes Benz 300SE 3.2 Mercedes Benz 300SEL
Mercedes Benz 380SL Mercedes Benz 420SEL Mercedes Benz 500SEL
Mercedes Benz 560SEL Mercedes Benz 560SL Mercedes Benz E420
Mercedes Benz SL 600 Mercury Villager V6 3.0 Mitsubishi 3000GT 3.0 DOHC 2WD
Mitsubishi Diamante 3.5 SOHC Mitsubishi Eclipse GT Mitsubishi Galant 2.4 SOHC
Mitsubishi Galant 3.0 V6 Mitsubishi Mirage 1.5 Mitsubishi Mirage 1.5 SOHC
Mitsubishi Mirage 1.8 Mitsubishi Montero 3.0 Mitsubishi Pickup 2.0 2WD
Nissan 200SX 1.6 base/S Nissan 200SX 1.6 SE Nissan 200SX 1.8 Turbo
Nissan 200SX SER Nissan 200SX 2.2 Nissan 240SX 2.4 DOHC
Nissan 240Z 2.4 Nissan 280Z 2.8 Nissan 280ZX 2.8
Nissan 300ZX 2+2 Nissan 300ZX 2-seat Nissan 310 1.4
Nissan 510 1.6 Nissan 521 Pickup 1.6 Nissan 620 Pickup 2.0
Nissan 710 1.8 Nissan 720 Pickup 2.0 Nissan 720 Pickup 2.4
Nissan Altima 2.4 GLE Nissan Altima 2.4 GXE Nissan Altima 2.4 SE
Nissan Altima 2.4 XE/GXE Nissan Frontier 2WD 4-cyl. Nissan Frontier 2WD V6
Nissan Frontier 4WD V6 Nissan Hardbody 2WD Pup 2.4 Nissan Hardbody 4WD Pup 2.4
Nissan Maxima 3.0 4dr Nissan Maxima 3.0 SOHC GXE Nissan Pathfinder 3.0 4WD
Nissan Pathfinder 3.3 4WD Nissan Quest 3.0 Nissan Quest 3.3
Nissan Sentra 1.6 2dr/4dr Nissan Sentra 1.6 3dr HBack Nissan Sentra 1.6 Std/E 2dr
Nissan Sentra 1.6 Std/E 4dr Nissan Sentra 1.6 XE Nissan Sentra XE GXE
Nissan Sentra 1.6 XE/SE 2dr Nissan Sentra 2.0 SE Nissan Sentra 2.0 SE-R 2dr
Nissan Stanza 2.0 (exc.Wgn) Nissan Van 2.4 Nissan Xterra 2WD 4-cyl.
Nissan Xterra 2WD V6 Plymouth Voyager Porsche 944 /1
Saab 9-3 3/5 Dr S Linear Saab 9-3 Conv. SE (Arc) Subaru 2WD models 1.6 & 1.8
Subaru Justy 1.2 2WD Subaru Leone/Loyale OHC 4WD Subaru Leone/LoyaleTurbo4WD
Suzuki Samurai 1.3 Suzuki Sidekick SOHC 8VALVE Suzuki Sidekick SOHC16Valve
Suzuki Swift DOHC 16 valve Toyota 4Runner 4Cyl 2WD SR5 Toyota 4Runner 4Cyl 4WD EFI
Toyota 4Runner 4Cyl 4WD SR5 Toyota 4Runner 4Cyl 4WDCarb Toyota 4Runner V6 2WD SR5
Toyota 4Runner V6 4WD SR5 Toyota Camry DLX/LE 4Dr/5Dr Toyota Camry I4 2WD Sedan
Toyota Camry I4 Sedan Toyota Camry I4 Wagon Toyota Camry V6 Sedan
Toyota Celica AllTrac Turbo Toyota Celica GT Toyota Celica GT Cpe/LB/CVT
Toyota Celica ST Coupe Toyota Celica ST Cpe/L-Back Toyota Corolla 2Dr Coupe
Toyota Corolla 4Dr Sedan Toyota Corolla 4Dr Sedn 1.8 Toyota Corolla FWD Sedan
Toyota Corolla Liftback Toyota Corolla RWD Coupe Toyota Corolla RWD GTS Coup
Toyota Corolla Sedan/Coupe Toyota LandCruiser 4 Dr Toyota MR2
Toyota MR2 Non-Turbo Toyota MR2 Turbo Toyota Pickup 2WD Std Bed
Toyota Pickup 4WD Std Bed Toyota Pickup I4 4WD X-Cab Toyota Pickup Std/Long Bed
Toyota Pickup V6 4WD X-Cab Toyota Previa 2WD Toyota Truck
Toyota Pickup Truck EFI Toyota PUP 2WD Std/Long Bed Toyota PUP 2WD Xtra-Cab EFI
Toyota Pickup Truck Toyota PUP 4WD EFI Reg&XCab Toyota RAV4 2WD/4-Door
Toyota Starlet 3 door Toyota Supra Non-Turbo Toyota T100 2WD 4Cyl RC1/2T
Toyota Tacoma 2WD I4 RegCab Toyota Tercel 2/3Dr EFI Toyota Tercel 2/4Dr EFI
Toyota TercelSTD/DX 2/3/5Dr Toyota Van 2WD STD/DLX/LE Volkswagen Corrado SLC V6
Volkswagen Golf (Canada) 1.8L Volkswagen Golf GTI 16V Volkswagen Golf GTI 8V
Volkswagen Golf III GL Volkswagen Golf III GTI 4 CYL Volkswagen Jetta GL
Volkswagen Jetta GLI 16V Volkswagen Jetta III GL 4 CYL Volkswagen Jetta III GLS 4 CYL
Volkswagen Passat V6 Volkswagen Scirocco 16V Volkswagen Type 1
Volkswagen Type 2 Volkswagen Type 4 Volvo 122
Volvo 160 Volvo 240 Volvo 260 V6
Volvo 850 Volvo 850 Turbo 2.3L Volvo 940 8-Valve
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