What spark plugs does a 2016 Focus use?
1.0L: Motorcraft SP-538A, gap 0.026 to 0.030 in. 2.0L: Motorcraft SP-535, gap 0.034 to 0.036 in.
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In-depth guide
2016 Ford Focus
2016 Focus 1.0L plugs are Motorcraft SP-538A, gap 0.026 to 0.030 in. The 2.0L plugs are SP-535, gap 0.034 to 0.036 in. Replace them every 100,000 miles.
| Item | Figure |
|---|---|
| 1.0L EcoBoost | Motorcraft SP-538A. Gap 0.026–0.030 in (0.65–0.75 mm). Firing order 1-2-3. Compression ratio 10.0:1. Minimum 87 octane. Coil on plug. |
| 2.0L GDI | Motorcraft SP-535. Gap 0.034–0.036 in (0.85–0.95 mm). Firing order 1-3-4-2. Compression ratio 12.0:1. Minimum 87 octane or E85. Coil on plug. |
| Replacement | Contact an authorized dealer. Replace the plugs at the appropriate intervals. |
| Interval | Every 100,000 miles (160,000 km). |
Source: owner's manual / last verified 2026-10-16 (2016 Focus Owner's Manual, July 2016 Fourth Printing, part GM5J 19A321 AA, edition date 201510. Canada/United States of America. (opens in a new tab)).
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2016 Focus Owner's Manual, July 2016 Fourth Printing, part GM5J 19A321 AA, edition date 201510. Canada/United States of America. (opens in a new tab), Ford Motor Company, published 2016-07-01, read 2026-10-16.
| Item | Figure | Where it comes from |
|---|---|---|
| 1.0L EcoBoost | Motorcraft SP-538A. Gap 0.026–0.030 in (0.65–0.75 mm). Firing order 1-2-3. Compression ratio 10.0:1. Minimum 87 octane. Coil on plug. | Engine specifications and Motorcraft parts, 1.0L |
| 2.0L GDI | Motorcraft SP-535. Gap 0.034–0.036 in (0.85–0.95 mm). Firing order 1-3-4-2. Compression ratio 12.0:1. Minimum 87 octane or E85. Coil on plug. | Engine specifications and Motorcraft parts, 2.0L |
| Replacement | Contact an authorized dealer. Replace the plugs at the appropriate intervals. | Motorcraft parts note |
| Interval | Every 100,000 miles (160,000 km). | Other maintenance items |
1.0L is SP-538A, gap 0.026 to 0.030 in, order 1-2-3. 2.0L is SP-535, gap 0.034 to 0.036 in, order 1-3-4-2.
The parts note sends the replacement to an authorized dealer.
Oil is on the oil guide. The firing orders are the sequences printed in the engine-specifications table. This page does not draw where the cylinders sit.
Outbound links only. BaySheet does not sell parts. Confirm fitment on the retailer page. Amazon links are searches for a real part name plus this vehicle. Tool rows do not get a product search. The search is not a part number.
Part
Motorcraft SP-538A spark plug
1.0L EcoBoost. Gap 0.026 to 0.030 in.
2016 Focus 1.0L plugs (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
Part
Motorcraft SP-535 spark plug
2.0L GDI. Gap 0.034 to 0.036 in.
2016 Focus 2.0L plugs (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
1.0L: Motorcraft SP-538A, gap 0.026 to 0.030 in. 2.0L: Motorcraft SP-535, gap 0.034 to 0.036 in.
Every 100,000 miles. The book says to have a dealer replace them.
The maintenance checklist is on the site now. The email list is not sending yet, so this box will not store an address.
These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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