1971 Fiat 128 Ignition Parts

Engine:
1.1L L4

The 1971 Fiat 128 has 45 ignition parts with verified fitment on this page — 7 part types and 17 brands, covering the 1.1L L4 engine. Each part includes a manufacturer part number and application notes.

The ignition system on the 1971 Fiat 128 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Spark Plug (18 parts), Ignition Coil (10 parts) and Spark Plug Wire (5 parts). The other 4 part types cover the remaining 12 parts.

Distributor Cap

Premium

Brand Part Number Markets Notes Buy
LILAND GLOBAL MA409LG
🇺🇸 US 🇨🇦 CA
Black Brass
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS MA409
🇺🇸 US 🇨🇦 CA
vendor # Marelli
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STANDARD MOTOR PRODUCTS DU418
🇺🇸 US 🇨🇦 CA
vendor # Ducellier
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WELLS 5D1121
🇺🇸 US 🇨🇦 CA
with Marelli Distributor
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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.

Distributor Rotor

Brand Part Number Markets Notes Buy
LILAND GLOBAL MA308LG
🇺🇸 US 🇨🇦 CA
PremiumBlack Brass
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STANDARD MOTOR PRODUCTS DU313
🇺🇸 US 🇨🇦 CA
vendor # Ducellier
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STANDARD MOTOR PRODUCTS MA308
🇺🇸 US 🇨🇦 CA
vendor # Marelli
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WELLS 4R1034
🇺🇸 US 🇨🇦 CA
with Ducellier Distributor
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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.

Ignition Breaker Points

Economy

Brand Part Number Markets Notes Buy
FAMOUS BRAND ANA1026
🇺🇸 US 🇨🇦 CA
Contact Set
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS MA3466
🇺🇸 US 🇨🇦 CA
vendor # Marelli
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WELLS 4P1050
🇺🇸 US 🇨🇦 CA
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This table covers the breaker points in a points-type distributor.

Ignition Coil

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular UC15T
🇺🇸 US 🇨🇦 CA
T-Series
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FVP UC15F
🇺🇸 US 🇨🇦 CA
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HOLSTEIN 2IGC0058
🇺🇸 US 🇨🇦 CA
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SKP SKUF3T
🇺🇸 US 🇨🇦 CA
Fits Coil Packor with internal resistor
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SPECTRA PREMIUM C654
🇺🇸 US 🇨🇦 CA
Internal Resistor Coil
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WAI GLOBAL CUF3
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
NGK Popular 48863
🇺🇸 US 🇨🇦 CA
Connections May be Eyelet or Spade
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STANDARD MOTOR PRODUCTS UC15
🇺🇸 US 🇨🇦 CA
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UNITED MOTOR PRODUCTS C15
🇺🇸 US 🇨🇦 CA
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WELLS 5C1019
🇺🇸 US 🇨🇦 CA
Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil
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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.

Spark Plug

Summary: Notes include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". Replacement brands in this table include CHAMPION, NGK and DENSO.

Copper / Nickel

Brand Part Number Markets Notes Buy
CHAMPION Popular 415
🇺🇸 US 🇨🇦 CA
Copper PlusPre-Set Gap: 0.032"
Fitment notes — CHAMPION 415
Copper PlusPre-Set Gap: 0.032"
Resistor TypeOE-Recommended Gap: 0.024"
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NGK Popular 4008
🇺🇸 US 🇨🇦 CA
StandardPre-Set Gap: 0.032"
Fitment notes — NGK 4008
StandardPre-Set Gap: 0.032"
OE-Recommended Gap: 0.025 IN
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ACDELCO R42XLS
🇺🇸 US 🇨🇦 CA
ProfessionalConventional
Fitment notes — ACDELCO R42XLS
ProfessionalConventionalPre-Set Gap: 0.035"
Original Equipment-Recommended Gap: .025
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CHAMPION 300
🇺🇸 US 🇨🇦 CA
Copper PlusPre-Set Gap: 0.032"
Fitment notes — CHAMPION 300
Copper PlusPre-Set Gap: 0.032"
Non-Resistor TypeOE TypeOE-Recommended Gap: 0.024"
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CHAMPION 4151
🇺🇸 US 🇨🇦 CA
Copper PlusClassification: Champion Copper Plus Small Engine
Fitment notes — CHAMPION 4151
Copper PlusClassification: Champion Copper Plus Small Engine
Resistor TypeOE-Recommended Gap: 0.024"
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DENSO 3066
🇺🇸 US 🇨🇦 CA
U-Groove ConventionalHex Size: 20.6 mm
Fitment notes — DENSO 3066
U-Groove ConventionalHex Size: 20.6 mmPre-Set Gap: 0.032"
Gap .032
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NGK 6427
🇺🇸 US 🇨🇦 CA
V-PowerPre-Set Gap: 0.032"
Fitment notes — NGK 6427
V-PowerPre-Set Gap: 0.032"
OE-Recommended Gap: 0.025 IN
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NGK 7131
🇺🇸 US 🇨🇦 CA
StandardPre-Set Gap: 0.036"
Fitment notes — NGK 7131
StandardPre-Set Gap: 0.036"
OE-Recommended Gap: 0.025 IN
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Double Platinum (lasts up to 3x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
ACDELCO 41804
🇺🇸 US 🇨🇦 CA
ProfessionalDouble Platinum
Fitment notes — ACDELCO 41804
ProfessionalDouble PlatinumPre-Set Gap: 0.035"
OE-Recommended Gap: 0.025"
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CHAMPION 7415
🇺🇸 US 🇨🇦 CA
Double Platinum PowerPre-Set Gap: 0.032"
Fitment notes — CHAMPION 7415
Double Platinum PowerPre-Set Gap: 0.032"
OE-Recommended Gap: 0.024"Resistor Plug
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Iridium (lasts up to 4x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
NGK Popular 6637
🇺🇸 US 🇨🇦 CA
Iridium IXPre-Set Gap: 0.032"
Fitment notes — NGK 6637
Iridium IXPre-Set Gap: 0.032"
OE-Recommended Gap: 0.025 IN
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CHAMPION 9804
🇺🇸 US 🇨🇦 CA
IridiumPre-Set Gap: 0.03"
Fitment notes — CHAMPION 9804
IridiumPre-Set Gap: 0.03"
OE-Recommended Gap: 0.024"
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DENSO 5306
🇺🇸 US 🇨🇦 CA
Iridium PowerHex Size: 20.6 mm
Fitment notes — DENSO 5306
Iridium PowerHex Size: 20.6 mmPre-Set Gap: 0.044"
Gap .044
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DENSO 4709
🇺🇸 US 🇨🇦 CA
Iridium TTSolid Terminal
Fitment notes — DENSO 4709
Iridium TTSolid Terminal
Gap .040
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SKP SP1041
🇺🇸 US 🇨🇦 CA
Tapered Ground Electrode with Platinum Chip
Fitment notes — SKP SP1041
Tapered Ground Electrode with Platinum Chip
Gap: .025
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Platinum (lasts up to 2x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
NGK Popular 7084
🇺🇸 US 🇨🇦 CA
G-PowerPre-Set Gap: 0.040"
Fitment notes — NGK 7084
G-PowerPre-Set Gap: 0.040"
OE-Recommended Gap: 0.025 IN
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ACDELCO 4
🇺🇸 US 🇨🇦 CA
ProfessionalRapidfire
Fitment notes — ACDELCO 4
ProfessionalRapidfirePre-Set Gap: 0.041"
OE-Recommended Gap: 0.025" (IN)
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DENSO 4502
🇺🇸 US 🇨🇦 CA
Platinum TTSolid Terminal
Fitment notes — DENSO 4502
Platinum TTSolid Terminal
Gap .040
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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.

Spark Plug Non-Fouler

Brand Part Number Markets Notes Buy
DORMAN 42004
🇺🇸 US 🇨🇦 CA
14mm Gasket Seat Long Reach
Fitment notes — DORMAN 42004
14mm Gasket Seat Long Reach
14 mm Gasket Seat3/4 In. Reach
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This table covers the non-foulers that space a spark plug away from oil fouling.

Spark Plug Wire

Premium

Brand Part Number Markets Notes Buy
NGK Popular 54395
🇺🇸 US 🇨🇦 CA
Set
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STANDARD MOTOR PRODUCTS 7423
🇺🇸 US 🇨🇦 CA
SetStandard® Premium
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Standard Replacement

Brand Part Number Markets Notes Buy
B&B M439860
🇺🇸 US 🇨🇦 CA
Platinum Class Laser Mag
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STANDARD MOTOR PRODUCTS 27423
🇺🇸 US 🇨🇦 CA
Pro SeriesSet
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WALKER PRODUCTS 9241022
🇺🇸 US 🇨🇦 CA
Direct FitSet
Fitment notes — WALKER PRODUCTS 9241022
Direct FitSetSuppression Core
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This table covers the Spark Plug wires.

Buying Ignition Parts for a 1971 Fiat 128

On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.

  • Confirm you have the 1.1L L4 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 and Ignition Coil .

Frequently Asked Questions

How many ignition parts fit the 1971 Fiat 128?

Our catalog currently lists 45 ignition parts for the 1971 Fiat 128 across 7 subcategories and 17 brands, covering the 1.1L L4 engine. Each part is matched to the engine(s) it fits.

What are the signs of ignition problems on a 1971 Fiat 128?

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 1971 Fiat 128?

Notes on this page include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". 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 1971 Fiat 128 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 1971 Fiat 128?

Every part on this page is matched to the 1.1L L4 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 1971 Fiat 128

Ignition Parts for Other Fiat 128 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.