Standard Ignition Distributor Cap P/N:GB-428

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$23.99
MPN: GB-428
Item Package Quantity: 1
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Standard Ignition Distributor Cap P/N:GB-428
Standard Ignition Distributor Cap P/N:GB-428
$23.99

Send every spark to the right cylinder with the Standard Ignition Distributor Cap GB-428. It drops in as a direct-fit replacement for the 1980-1984 Audi 4000, 1984 Audi 4000 Quattro, 1978-1984 Audi 5000, 1981-1987 Audi Coupe, 1983-1984 Audi Quattro, and 1983-1984 Volkswagen Quantum.

The distributor cap seats over the distributor and routes high-voltage current from the rotor to each spark plug terminal in the correct firing order, keeping ignition timed to the engine.

  • Core job: transfers spark from the rotor out to the plug wires so each cylinder fires in sequence.
  • Signs it may need replacing: rough idle, misfires, hard starting, or stalling in damp weather can point to a cracked cap, carbon tracking, or corroded terminals — diagnose the cause first, and if a failed cap is behind it, this replaces it.
  • Fitment: designed to install on the listed Audi and Volkswagen applications above.

Interchange: C590 · 1235522218 · RB920 · EP534 · 12321580 · 035905207 · 035905207A · 035905207ASBV

Manufacturer part number GB-428 (also GB428).

This part cross-references / interchanges with the following part numbers:

C590, 1235522218, RB920, EP534, 12321580, GB-428, 035905207, 035905207A, 035905207ASBV

Frequently Asked Questions

What does this distributor cap do?

It seats over the distributor and routes high-voltage current from the rotor to each spark plug terminal in the correct firing order, so every cylinder fires in sequence.

Which vehicles does the GB-428 fit?

It's a direct-fit replacement for the 1980-1984 Audi 4000, 1984 Audi 4000 Quattro, 1978-1984 Audi 5000, 1981-1987 Audi Coupe, 1983-1984 Audi Quattro, and 1983-1984 Volkswagen Quantum.

What are signs the cap may need replacing?

Rough idle, misfires, hard starting, or stalling in damp weather can indicate a cracked cap, carbon tracking, or corroded terminals. Diagnose the cause first; if the cap is at fault, this replaces it.

What numbers does this part interchange with?

It cross-references C590, 1235522218, RB920, EP534, 12321580, 035905207, 035905207A, and 035905207ASBV.

What is the manufacturer part number?

The manufacturer part number is GB-428 from Standard Ignition, designed to install on the listed Audi and Volkswagen applications.