The 1925 Auburn Model 6-66 has 12 ignition parts with verified fitment on this page — 4 part types and 6 brands, covering the L6 engine. Each part includes a manufacturer part number and application notes.
On the 1925 Auburn Model 6-66, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (5 parts), Distributor Rotor (4 parts) and Distributor Cap (2 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the L6 — the only engine offered in the 1925 Auburn Model 6-66.
The most listed brands for 1925 Auburn Model 6-66 ignition parts are STANDARD MOTOR PRODUCTS (5 parts), LILAND GLOBAL (2 parts) and UNITED MOTOR PRODUCTS (2 parts), plus 3 more brands. Quality grades include Economy, Standard Replacement and Premium.
1 part on this 1925 Auburn Model 6-66 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — STANDARD MOTOR PRODUCTS UC14T (Ignition Coil). Click any part number to see every vehicle that part fits.
Distributor Cap
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | DR413LG | 🇺🇸 US | Body Material: PhenolicBlack Brass | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DR413 | 🇺🇸 US | View on Amazon |
This table covers the Distributor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
2 Distributor Cap parts for the 1925 Auburn Model 6-66 come from 2 brands — LILAND GLOBAL and STANDARD MOTOR PRODUCTS.
In the Premium grade, LILAND GLOBAL supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL DR413LG.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS supplies 1 part: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS DR413.
Listed part numbers: LILAND GLOBAL DR413LG and STANDARD MOTOR PRODUCTS DR413.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DR158T | 🇺🇸 US | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS | DR650 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | DR158LG | 🇺🇸 US | PremiumBlack Brass | View on Amazon |
| STANDARD MOTOR PRODUCTS | DR158 | 🇺🇸 US | View on Amazon |
This table covers the Distributor rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.
4 Distributor Rotor parts for the 1925 Auburn Model 6-66 come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and LILAND GLOBAL.
The Economy section lists 2 options from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS DR158T is listed in this group.
Standard Replacement: 2 parts, from LILAND GLOBAL and STANDARD MOTOR PRODUCTS. A representative part number is LILAND GLOBAL DR158LG.
This group includes STANDARD MOTOR PRODUCTS DR158T, UNITED MOTOR PRODUCTS DR650 and LILAND GLOBAL DR158LG and the remaining parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC14T | 🇺🇸 US | T-Series6 Volt | View on Amazon |
| FVP | UC14F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2IGC0057 | 🇺🇸 US | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | UC14 | 🇺🇸 US | Blue Streak6 Volt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | C14 | 🇺🇸 US | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
5 Ignition Coil parts are listed for the 1925 Auburn Model 6-66, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 1 other brand. STANDARD MOTOR PRODUCTS UC14T carries the "Popular" badge.
Economy: 3 parts, from STANDARD MOTOR PRODUCTS, FVP and HOLSTEIN. A representative part number is STANDARD MOTOR PRODUCTS UC14T.
The Premium section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS UC14 is listed in this group.
The Standard Replacement section: 1 option from UNITED MOTOR PRODUCTS. UNITED MOTOR PRODUCTS C14 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS UC14T, FVP UC14F and HOLSTEIN 2IGC0057, among others listed above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 561 | 🇺🇸 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.
This group shows a single part: CHAMPION 561.
Buying Ignition Parts for a 1925 Auburn Model 6-66
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the L6 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: Ignition Coil and Distributor Rotor .
Frequently Asked Questions
How many ignition parts fit the 1925 Auburn Model 6-66?
Our catalog currently lists 12 ignition parts for the 1925 Auburn Model 6-66 across 4 subcategories and 6 brands, covering the L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1925 Auburn Model 6-66?
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 1925 Auburn Model 6-66?
Notes on this page include a 0.025" pre-set gap. 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 1925 Auburn Model 6-66 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 1925 Auburn Model 6-66?
Every part on this page is matched to the L6 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.
Other Parts for the 1925 Auburn Model 6-66
Ignition Parts for Other Auburn Model 6-66 Years
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