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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
Hyundai Distributor Cap Infiniti Distributor Cap Isuzu Distributor Cap Jaguar Distributor Cap
Jeep Distributor Cap Jensen Healey Distributor Cap Kia Distributor Cap Lexus Distributor Cap
Mazda Distributor Cap Mercedes Benz Distributor Cap Mercury Distributor Cap MG 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
Triumph Distributor Cap Volkswagen Distributor Cap Volvo Distributor Cap

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

Acura CL 2.3 4-Cyl. Acura CL 3.0 V6 Acura EL 1.6 4dr (Canada)
Acura Integra 1.6 3dr Acura Integra GSR B17 1.7 Acura Integra 1.8 GS 3dr
Acura Integra GSR B18C1 Acura Integra GSR VTEC Acura Integra 1.8 RS 3dr
Acura Integra LS GS Non VTEC 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 4000 5 CYL Audi 5000 Audi 90 5 CYL
Audi Coupe Audi Fox Audi V8 Q
BMW 2002 BMW 318i Sedan BMW 325e
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Geo Metro L3 1.0 GMC C1500 Sierra P/U GMC C1500 Suburban
GMC C2500 Sierra Ext Cab GMC G350 Sav Vn V8 5.7 GMC Jmmy 4-DR 4WD V6 4.3
GMC K1500 Suburban GMC Safari AWD V6 4.3 GMC Savana 15 V8 5.0
GMC Sonom Ext 2W V6 4.3 GMC V150 Sub V8 5.7 GMC Ykn 4Door 2W V8 5.7
Honda Accord 1.6 Honda Accord 1.8 (carb.) 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 LX 5dr Honda Accord 2.2 SE 4dr Honda Accord 2.3 DX/VP 4dr
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Honda Accord 2.3 LX 4dr Honda Accord 2.3 SE 2dr Honda Accord 2.3 SE 4dr
Honda Accord 3.0 V6 2dr Honda Accord 3.0 V6 4dr Honda Accord DX 3dr (carb)
Honda Accord LX 4dr (carb) Honda Accord LXi 4dr (F/I) Honda Accord SEi 4dr (F/I)
Honda Civic 1.2 2Dr/3Dr 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
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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 1.8 DX(carb)
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 Hyundai Excel 1.5SOHC8V EFI Hyundai Excel Canada1.5L 12V
Infiniti G20 2.0 Infiniti QX4 3.3 4WD Isuzu Amigo 2.3
Isuzu Pickup 2.6 2WD/4WD Isuzu Trooper 2.6 4-Cyl Isuzu Trooper 2.8 V6
Jaguar XJ6 - 6 Cylinder Jaguar XJ6 40 6 Cylinder Jaguar XJS - 12 Cylinder
Jaguar XKE Series 1 & 2 Jeep Cherokee Limited 4WD Jeep Grand Cherokee Loredo 2WD
Jeep Gd Cherokee Orvs 4WD Jeep Grand Cherokee 59Ltd Jeep Grand Cherokee Limited 4WD
Jensen Healey Jensen Healey Kia Sephia Lexus LS400 V8
Lexus SC300 Inline 6 Lexus SC400 V8 Coupe Mazda 323 Hatchback
Mazda 323 Sedan Mazda 323 Wagon Mazda 626
Mazda 626 MX6 Mazda 626 MX6 Turbo 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 MX3 V6
Mazda Protege 4WD Mazda Protege DX, LX Mazda Protege ES
Mazda Protege LX Mazda Protege SE, DX Mazda RX7
Mazda RX7 Turbo Mercedes Benz 190E 2.3 Mercedes Benz 190E 2.6
Mercedes Benz 230 4-Cylinder Mercedes Benz 260E Mercedes Benz 280S
Mercedes Benz 280SEc/c 3.5 Mercedes Benz 300CE 24-Valve Mercedes Benz 300E
Mercedes Benz 300E 4-Matic Mercedes Benz 300SE 3.2 Mercedes Benz 300SEL
Mercedes Benz 380SL Mercedes Benz 400E Mercedes Benz 420SEL
Mercedes Benz 450SL Mercedes Benz 500SEL Mercedes Benz 500SL
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MG Midget Mk 1/2 Mitsubishi 3000GT 3.0 DOHC 2WD Mitsubishi 3000GT 3.0 SOHC 2WD
Mitsubishi Diamante 3.0 ES SOHC Mitsubishi Diamante 3.5 SOHC Mitsubishi Eclipse GT
Mitsubishi Galant 2.0 DOHC 2WD Mitsubishi Galant 2.0 SOHC 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 2.6 4-Cyl. Mitsubishi Montero 3.0
Mitsubishi Pickup 2.0 2WD Mitsubishi Van & Wagon 2.4 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 300ZX 2-seat Turbo Nissan 310 1.4
Nissan 310 1.5 OHV 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 4-cyl. 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 Maxima 3.0 SOHC SE Nissan Maxima/810 4dr Gas
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 base/E Nissan Sentra 1.6 GXE/GLE 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 Stanza 2.0 Wagon Nissan Van 2.4
Nissan Xterra 2WD 4-cyl. Nissan Xterra 2WD V6 Plymouth Acclaim LE
Plymouth Laser Plymouth Voyager Porsche 911 SC
Porsche 911/993 Carrera Porsche 911/993 Carrera 4 Porsche 924
Porsche 944 /1 Porsche 944 Turbo Saab 9-3 3/5 Dr S Linear
Saab 9-3 Conv. SE (Arc) Saab 900 2.0L 16-Valve Saab 96 Sedan 1.5/1.7
Subaru 2WD models 1.6 & 1.8 Subaru 4WD Wagon 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
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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
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Toyota LandCruiser 4 Dr Toyota Land Cruiser Toyota MR2
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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 Tacoma 2WD I4 XtrCab Toyota Tercel 2/3Dr EFI
Toyota Tercel 2/4Dr EFI Toyota Tercel Canada Toyota TercelSTD/DX 2/3/5Dr
Toyota Van 2WD STD/DLX/LE Triumph TR-250/6 Volkswagen Corrado SLC V6
Volkswagen Golf (Canada) 1.8L Volkswagen Golf Cabrio III Volkswagen Golf GL/GT
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Volvo 240 Volvo 260 V6 Volvo 780 Turbo
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Volvo V70 AWD 2.4L Turbo
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