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2015 Mazda Mazda3 parts sizes
What the official 2015 Mazda Mazda3 owner's manual prints for replacement parts: bulbs. Every value below is copied from the manual, with the PDF page so you can check it yourself.
- bulbs
- 1Low beam H11 · high 9005
2015 Mazda Mazda3 owner's manual
Source: the official 2015 Mazda3 owner's manual (PDF from Mazda).
Exterior bulbs
| Position | Bulb | Watts | Manual |
|---|---|---|---|
| High beam headlamp (halogen) (ECE HB3) | 9005 | 65 W | p. 576 |
| Low beam headlamp (halogen) (ECE H11) | H11 | 55 W | p. 576 |
| Headlamp high/low (xenon fusion) (ECE D4S) | D4S | 35 W | p. 576 |
| Daytime running lights (halogen headlights) (ECE HB3) | 9005 | 65 W | p. 576 |
| Parking lights/front side-marker (halogen headlights) (ECE WY5W; no SAE number printed) | WY5W | 5 W | p. 576 |
| Front side-marker (xenon fusion headlights) (ECE W5W; no SAE number printed) | W5W | 5 W | p. 576 |
| Front turn signal (ECE WY21W) | 7443NA | 21 W | p. 576 |
| Fog lights (ECE H11; some models) | H11 | 55 W | p. 576 |
| Rear turn signal (ECE WY21W) | 7443NA | 21 W | p. 576 |
| Brake/tail/rear side-marker (bulb type) (ECE W21/5W; 21/5 W) | 7443 | 21 W | p. 576 |
| Reverse lights (ECE W16W; 4-door) | 921 | 18 W | p. 576 |
| Reverse lights (ECE W21W; 5-door) | 7440 | 21 W | p. 576 |
| License plate lights (ECE W5W; no SAE number printed) | W5W | 5 W | p. 576 |
How the 2015 compares with nearby years
Against the 2016 Mazda3: The low-beam bulb and high-beam bulb are the same in both manuals.
The H11 low-beam bulb appears in every Mazda3 manual from 2015 to 2018 that this site has read (4 model years).
Shared with other 2015 models
- 9005 (high beam headlamp (halogen) and daytime running lights (halogen headlights)): 12 other 2015 models list it, including Chevrolet Silverado 1500, Chevrolet Trax, Ford Escape, Ford F-150, Ford Transit, Mazda CX-5.
- H11 (low beam headlamp (halogen) and fog lights): 22 other 2015 models list it, including Chevrolet Equinox, Chevrolet Silverado 1500, Chevrolet Trax, Ford Escape, Ford Explorer, Ford F-150.
- D4S (headlamp high/low (xenon fusion)): 2 other 2015 models list it, including Mazda CX-5, Toyota Sienna.
- WY5W (parking lights/front side-marker (halogen headlights)): 2 other 2015 models list it, including Ford Escape, Nissan Pathfinder.
- W5W (front side-marker (xenon fusion headlights) and license plate lights): 15 other 2015 models list it, including Chevrolet Equinox, Chevrolet Trax, Ford Escape, Ford Explorer, Ford F-150, Ford Transit.
- 7443 (front turn signal, rear turn signal and brake/tail/rear side-marker (bulb type)): 9 other 2015 models list it, including Chevrolet Silverado 1500, Chevrolet Traverse, GMC Sierra 1500, Mazda CX-5, Nissan Pathfinder, Toyota Camry.
- 921 (reverse lights): 16 other 2015 models list it, including Chevrolet Equinox, Chevrolet Silverado 1500, Chevrolet Trax, Ford Escape, Ford F-150, GMC Sierra 1500.
- 7440 (reverse lights): 2 other 2015 models list it, including Toyota RAV4, Toyota Tundra.
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 2015 Mazda Mazda3 owner's manual does not list wipers, battery, filters and oil 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.
Buying the parts for a 2015 Mazda3
- Headlight bulbs: the H11 low beam and the 9005 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 13 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 1 page of the manual (576). Before you buy, compare the number printed on the old part with the table above. See how this site reads manuals.
Other Mazda3 years
All Mazda Mazda3 years in one table