1 / 4Dorman 926-522 Front Ignition Capacitor
Dorman 926-522 is a front ignition and radio capacitor listed as a direct replacement for specified Ford Focus and Transit Connect vehicles. It is intended to address radio-noise suppression and ignition-function issues associated with a corroded or shorted factory capacitor, but fitment depends on the exact vehicle.
At a glance
- Listed as a direct replacement for specified Ford Focus and Transit Connect applications.
- Designed to help restore radio-noise suppression and ignition function when the factory capacitor corrodes or shorts.
- The listing recommends checking make, model and trim for exact fitment.
Pros and cons
Pros
- Combines radio-noise suppression and ignition-related function in a replacement component.
- The listing provides specific Ford model years to use as a starting point for compatibility checks.
Technical specifications
8 specifications| Brand | Dorman |
|---|---|
| Model | 926-522 |
| OEM part number | 9S4Z18801A |
| Dimensions listed | 11.43 x 8.89 x 6.4 cm; 45.36 g |
|---|---|
| Weight listed | 45.4 g |
| Part type | Front ignition capacitor |
|---|---|
| Exterior | Ready To Paint If Needed |
| Country of origin | USA |
What to know before buying
Listing details to confirm
Fitment is limited to specified vehicles. Confirm the exact year, model and trim before ordering, as the listing advises. The listed dimensions include a 45.36 g mass, while a separate weight field states 45.4 g. These mass values are slightly inconsistent, so neither should be treated as an exact measured weight.
Who is it for?
A good fit for
- Owners of a listed Ford Focus or 2010 Ford Transit Connect checking a replacement for the radio/ignition capacitor.
- Repairers addressing radio interference or ignition problems where this capacitor is confirmed as the applicable part.
Less suited to
- Buyers who have not confirmed that part 926-522 fits their exact vehicle and trim.

Customer reviews on Amazon
- 5 stars
100% 100% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
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Aggregate customer ratings are entirely five-star in the supplied rating distribution, but no written feedback is available. That indicates favourable ratings in this limited record, not which attributes customers valued or how the part performed on particular vehicles.
Frequently asked questions
Which vehicles are listed as compatible?
The listing specifies Ford Focus model years 2005 through 2011 and Ford Transit Connect model year 2010. It recommends confirming the exact make, model and trim before purchase.
What is the capacitor intended to address?
Dorman describes it as a replacement for a corroded or shorted radio/ignition capacitor that may affect radio-noise suppression and ignition function.
Does the listing give one consistent weight?
No. The dimensions field includes 45.36 g, while a separate weight field says 45.4 g. The listing does not explain the difference.

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