RockAuto
Auto parts, parts prices and vehicle parts
Search vehicle parts and compare catalogue prices.
Your information
Vehicle maker, for example Honda.
Part in words, for example brake pads.
Vehicle model year, for example 2015.
Vehicle model, for example Civic.
Maximum parts to return, for example 30.
More options
Engine, for example 1.8L L4. Defaults to the first listed engine.
Example results
Spark Plug parts
For 2015 HONDA CIVIC, 1.5L L4 ELECTRIC/GAS
About the RockAuto tool
RockAuto, also called Rock Auto, returns parts for a vehicle and category, sorted by listed price.
Search parts needs a vehicle make, model, year and part category; an engine is optional and defaults to the first listed engine.
Results include part details and prices in USD, excluding shipping and taxes.
Built from rockauto.com. Last checked Sep 29, 2026.
Actions
Search parts
1 creditFind RockAuto parts for a vehicle and part category, sorted by listed price. Prices are in USD; listed prices exclude shipping and taxes. When no engine is given, uses the first engine in the catalogue.
What you provide
| Field | Type | Required | Description |
|---|---|---|---|
Makemake | Text | Required | Vehicle maker, for example Honda.Example: Honda |
Partpart | Text | Required | Part in words, for example brake pads.Example: spark plugs |
Yearyear | Number | Required | Vehicle model year, for example 2015.Example: 2015 |
Modelmodel | Text | Required | Vehicle model, for example Civic.Example: Civic |
Engineengine | Text | Optional | Engine, for example 1.8L L4. Defaults to the first listed engine.Example: 1.8L L4 |
Max Resultsmax_results | Number | Optional | Maximum parts to return, for example 30.Example: 6 |
What you get
| Field | Type | Description |
|---|---|---|
Partsparts | List | |
Brandparts[].brand | Text | Example: CHAMPION |
Notesparts[].notes | Text | Example: 2 Plugs Per Cylinder Required; OE-Recommended Gap: 0.044" |
Price (USD)parts[].price_usd | Number | Example: 1.99 |
Image Linkparts[].image_link | Text | Example: https://www.rockauto.com/info/12/CCH_975_P04_FRO__ra_m.jpg |
Descriptionparts[].description | Text | Example: Copper Plus; Pre-Set Gap: 0.042" |
Part Numberparts[].part_number | Text | Example: 975 |
Quality Tierparts[].quality_tier | Text | Example: Copper / Nickel |
Core Charge (USD)parts[].core_charge_usd | Number | |
Catalogue Page Linkparts[].catalogue_page_link | Text | Example: https://www.rockauto.com/en/catalog/honda,2015,civic,1.5l+l4+electric/gas,33101… |
Vehiclevehicle | Details | |
Makevehicle.make | Text | Example: HONDA |
Yearvehicle.year | Number | Example: 2015 |
Modelvehicle.model | Text | Example: CIVIC |
Enginevehicle.engine | Text | Example: 1.5L L4 ELECTRIC/GAS |
Part Categorypart_category | Text | Example: Spark Plug |
Example result
For Make: Honda, Part: spark plugs, Year: 2015, Model: Civic, Max Results: 6
{
"parts": [
{
"brand": "CHAMPION",
"notes": "2 Plugs Per Cylinder Required; OE-Recommended Gap: 0.044\"",
"price_usd": 1.99,
"image_link": "https://www.rockauto.com/info/12/CCH_975_P04_FRO__ra_m.jpg",
"description": "Copper Plus; Pre-Set Gap: 0.042\"",
"part_number": "975",
"quality_tier": "Copper / Nickel",
"core_charge_usd": null,
"catalogue_page_link": "https://www.rockauto.com/en/catalog/honda,2015,civic,1.5l+l4+electric/gas,3310197,ignition,spark+plug,7212"
},
{
"brand": "ACDELCO",
"notes": "OE-Recommended Gap: 0.044\" (IN); 2 Plugs Per Cylinder Required",
"price_usd": 3.24,
"image_link": "https://www.rockauto.com/info/341/19323046_Primary__ra_m.jpg",
"description": "Professional; Rapidfire; Pre-Set Gap: 0.045\"",
"part_number": "21",
"quality_tier": "Platinum (lasts up to 2x longer than Copper / Nickel)",
"core_charge_usd": null,
"catalogue_page_link": "https://www.rockauto.com/en/catalog/honda,2015,civic,1.5l+l4+electric/gas,3310197,ignition,spark+plug,7212"
},
{
"brand": "SKP",
"notes": "Gap: .044/1.1mm; w/ Dual Spark Plugs",
"price_usd": 3.55,
"image_link": "https://www.rockauto.com/info/983/sp1022__ra_m.jpg",
"description": "Tapered Ground Electrode w/ Platinum Chip",
"part_number": "SP1022",
"quality_tier": "Iridium (lasts up to 4x longer than Copper / Nickel)",
"core_charge_usd": null,
"catalogue_page_link": "https://www.rockauto.com/en/catalog/honda,2015,civic,1.5l+l4+electric/gas,3310197,ignition,spark+plug,7212"
}
],
"vehicle": {
"make": "HONDA",
"year": 2015,
"model": "CIVIC",
"engine": "1.5L L4 ELECTRIC/GAS"
},
"part_category": "Spark Plug"
}For developers
Call it from your code with one request. Change the values in input to run it on new data. To get an API key, open Developers at the bottom of Studio, turn on Developer mode and go to API keys.
curl 'https://api.fous.com/v1/query' \
--fail-with-body --silent --show-error --max-time 180 \
-H "Authorization: Bearer YOUR_API_KEY" \
-H 'Content-Type: application/json' \
--data-raw '{
"api": "@rockauto",
"visibility": "public",
"operation": "search_parts",
"version": 1,
"input": {
"make": "Honda",
"part": "spark plugs",
"year": 2015,
"model": "Civic",
"max_results": 6
},
"response": {
"format": "json"
}
}'What you can do with it
- Compare listed prices for parts by vehicle.
- Review brands and part details before choosing a replacement.
- Find part numbers for a vehicle and part category.
- Check whether a part listing includes a core charge.
Questions about RockAuto
Can I run it with my own inputs?
Yes. Change the inputs in Studio and press Run, or send new inputs from your code, or ask a connected AI assistant.
Can I call this RockAuto tool as an API?
Yes. Send a POST request to /v1/query with your Fous API key and the inputs, and get JSON back.
How much does it cost?
Each completed run costs 1 credit. Failed runs without a completed receipt are free; completed work can remain charged if delivery is interrupted. With pay as you go, a credit costs 1¢. Monthly plans cost less per credit.
Do I need a RockAuto account?
No. You only need a Fous account.
How current is the data?
Fous gets the data from rockauto.com when you run it. Some results are reused for up to 24 hours, and results that use your account or key are never reused. It was last verified on Sep 29, 2026.
What parts are listed for my vehicle?
Search parts returns parts for the supplied vehicle and part category.
How much do the listed parts cost?
Search parts returns listed prices in USD, excluding shipping and taxes.
Which engine is used if I leave it blank?
Search parts uses the first engine in the catalogue when no engine is supplied.