The 1913 Reo The Fifth has 2 ignition parts with verified fitment on this page — 1 part type and 1 brand, covering the 4cyl engine. Each part includes a manufacturer part number and application notes.
On the 1913 Reo The Fifth, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Spark Plug.
Every part on this page is matched to the 4cyl — the only engine offered in the 1913 Reo The Fifth.
Every ignition part listed for the 1913 Reo The Fifth comes from CHAMPION.
Each part number listed for the 1913 Reo The Fifth opens a page with every vehicle that part fits.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 525 | 🇺🇸 US | Copper Plus or IndustrialPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION | 425 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
2 Spark Plug parts for the 1913 Reo The Fifth come from CHAMPION.
This group includes CHAMPION 525 and CHAMPION 425.
Buying Ignition Parts for a 1913 Reo The Fifth
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 4cyl engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 1913 Reo The Fifth?
Our catalog currently lists 2 ignition parts for the 1913 Reo The Fifth across 1 subcategory and 1 brand, covering the 4cyl engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1913 Reo The Fifth?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1913 Reo The Fifth?
Notes on this page include pre-set gaps of 0.025" and 0.03". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1913 Reo The Fifth was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1913 Reo The Fifth?
Every part on this page is matched to the 4cyl engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Ignition Parts for Other Reo The Fifth Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.