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2018 · Honda · 10th gen (FC/FK)
2018 Honda Civic parts sizes
What the official 2018 Honda Civic owner's manual prints for replacement parts: bulbs and oil. Every value below is copied from the manual, with the PDF page so you can check it yourself.
- bulbs
- oil
- 1Low beam H11 · high HB3
Sedan edition: 2018 Honda Civic owner's manual
Source: the official 2018 Civic sedan owner's manual (PDF from Honda). Engines named in the parts tables: 1.5 L and 2.0 L.
Exterior bulbs
| Position | Bulb | Watts | Manual |
|---|---|---|---|
| High beam headlight (halogen bulb type) | HB3 | 60 W | p. 540 |
| High beam headlight | LED | — | p. 540 |
| Low beam headlight (halogen bulb type) | H11 | 55 W | p. 540 |
| Low beam headlight | LED | — | p. 540 |
| Fog Light (halogen bulb type) | H8 | 35 W | p. 542 |
| Front Side Marker Light | not printed | 3 W | p. 545 |
| Brake Light | not printed | 21 W | p. 547 |
| Tail/Rear Side Marker Light | LED | — | p. 547 |
| Rear Turn Signal Light (Amber) | not printed | 21 W | p. 547 |
| High-Mount Brake Light | not printed | 21 W | p. 548 |
Engine oil
The manual specifies the oil grade on its capacities page, with a capacity of 3.7 US quarts including the filter (printed for 1.5 L engine models) — page 534.
Hatchback edition: 2018 Honda Civic owner's manual
Source: the official 2018 Civic hatchback owner's manual (PDF from Honda). Engines named in the parts tables: 1.5 L and 2.0 L.
Exterior bulbs
How the 2018 compares with nearby years
Against the 2017 Civic: The low-beam bulb and high-beam bulb are the same in both manuals.
Against the 2019 Civic: The low-beam bulb and high-beam bulb are the same in both manuals.
The H11 low-beam bulb appears in every Civic manual from 2016 to 2021 that this site has read (6 model years).
The 2018 Civic belongs to the 10th gen (FC/FK), which began with the 2016 model year (Hatchback from 2017; MY2019 refresh); generation dates. Parts often carry over within a generation, but the manual for your exact model year is the one to trust.
Shared with other 2018 models
- HB3 (high beam headlight): 3 other 2018 models list it, including Honda CR-V, Honda Odyssey, Honda Pilot.
- H11 (low beam headlight): 17 other 2018 models list it, including Ford Escape, Ford F-150, Ford Transit, Honda CR-V, Honda Odyssey, Honda Pilot.
- H8 (fog light): 5 other 2018 models list it, including Honda CR-V, Honda Odyssey, Honda Pilot, Nissan Kicks, Nissan Rogue.
A shared number means the same replacement part fits both cars, so one spare can cover two cars in the household.
What the manual does not print
The 2018 Honda Civic owner's manuals do not list wipers, battery and filters sizes; for the battery, read the label on the battery fitted to the car, then check the size against the BCI group chart; for wipers, measure each blade end to end and buy the nearest whole-inch size.
5 positions are listed as LED in this manual. LED lamps have no separate replacement bulb; the lamp assembly is replaced.
Buying the parts for a 2018 Civic
- Headlight bulbs: the H11 low beam and the HB3 high beam are halogen capsules on trims that have them; buy them in pairs so both sides match in colour and output.
- Small bulbs: this manual names 6 replaceable bulb positions. Wedge bulbs such as W5W and 194 differ from twist-socket bulbs such as 7443 or 3157, so match the full number, including suffixes like NA (amber).
Check it on your car
Trim, engine and lighting package change some of these parts, so match the row that names your engine or trim. The facts on this page come from 9 pages of the manual (534, 540, 542, 545, 547, 548, 589, 591 and more). Before you buy, compare the number printed on the old part with the table above. See how this site reads manuals.
Other Civic years
All Honda Civic years in one table