The 1974 Am General FJ8 has 34 ignition parts with verified fitment on this page — 6 part types and 11 brands, covering both the 3.8L 232cid L6 and the 4.2L 258cid L6. Each part includes a manufacturer part number and application notes.
The ignition system on the 1974 Am General FJ8 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Distributor Cap (8 parts), Distributor Rotor (8 parts) and Ignition Coil (8 parts). The other 3 part types cover the remaining 10 parts.
The 1974 Am General FJ8 was sold with both the 3.8L 232cid L6 and the 4.2L 258cid L6. 23 parts fit every engine; the other 11 are engine-specific. Each part shows which engine(s) it fits.
11 brands supply ignition parts for the 1974 Am General FJ8, led by STANDARD MOTOR PRODUCTS (8 parts), LILAND GLOBAL (7 parts) and ACDELCO (6 parts), plus 8 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1974 Am General FJ8. 6 parts have it, including STANDARD MOTOR PRODUCTS DR438T (Distributor Cap) and STANDARD MOTOR PRODUCTS DR314T (Distributor Rotor). Each part number opens a page with every vehicle that part fits.
Distributor Cap
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 4.2L 258cid L6 | DR438T | 🇺🇸 US | T-Series | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL Fits: 4.2L 258cid L6 | DR438BBLG | 🇺🇸 US | Color: BlackBody Material: Phenolic | View on Amazon |
| LILAND GLOBAL Fits: 4.2L 258cid L6 | DR438GBLG | 🇺🇸 US | Gray Brass | View on Amazon |
| LILAND GLOBAL Fits: 4.2L 258cid L6 | DR438TBLG | 🇺🇸 US | Color: TanBody Material: Polyester | View on Amazon |
| LILAND GLOBAL Fits: 4.2L 258cid L6 | DR438LG | 🇺🇸 US | Color: BlueBody Material: BMC | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 4.2L 258cid L6 | D323R | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| WELLS Fits: 4.2L 258cid L6 | 5D1025 | 🇺🇸 US | Distributor Cap Contacts Material: Aluminum | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.8L 232cid L6 | D323R | 🇺🇸 US 🇨🇦 CA | Professional | 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.
8 Distributor Cap parts are listed for the 1974 Am General FJ8, from LILAND GLOBAL, ACDELCO, STANDARD MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS DR438T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS supplies 1 part: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS DR438T.
The Premium section lists 4 options from LILAND GLOBAL — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL DR438BBLG is listed in this group.
The Standard Replacement section lists 2 options from ACDELCO and WELLS — built to original-equipment specification. ACDELCO D323R is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Part numbers include STANDARD MOTOR PRODUCTS DR438T, LILAND GLOBAL DR438BBLG and LILAND GLOBAL DR438GBLG, among others listed above.
Distributor Mounting Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1974 FJ8 engines | 70051 | 🇺🇸 US | 1-11/32 (in) Outside Diameter | View on Amazon |
| VICTOR REINZ Fits: all 1974 FJ8 engines | 711350400 | 🇺🇸 US | 1-11/32 IN O.D. | View on Amazon |
This table covers the gaskets that seal the Distributor Mounting. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Distributor Mounting Gasket parts are listed for the 1974 Am General FJ8, from FEL-PRO and VICTOR REINZ. All of them fit every engine offered in the 1974 FJ8.
This group includes FEL-PRO 70051 and VICTOR REINZ 711350400.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 1974 FJ8 engines | DR314T | 🇺🇸 US | T-Series | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular Fits: all 1974 FJ8 engines | 4R1061A | 🇺🇸 US | Premium | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.8L 232cid L6 | D423R | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| LILAND GLOBAL Fits: all 1974 FJ8 engines | DR314TBLG | 🇺🇸 US | Tan BrassPremium | View on Amazon |
| LILAND GLOBAL Fits: all 1974 FJ8 engines | DR314LG | 🇺🇸 US | Color: BlueBody Material: Polyester | View on Amazon |
| LILAND GLOBAL Fits: all 1974 FJ8 engines | DR314TLG | 🇺🇸 US | Color: BlackBody Material: Phenolic | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L 232cid L6 | DR314 | 🇺🇸 US | Blue Streak | View on Amazon |
| WELLS Fits: all 1974 FJ8 engines | 4R1061 | 🇺🇸 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.
8 Distributor Rotor parts are listed for the 1974 Am General FJ8, from LILAND GLOBAL, STANDARD MOTOR PRODUCTS, WELLS and 1 other brand. STANDARD MOTOR PRODUCTS DR314T carries the "Popular" badge. 6 parts fit every engine; the other 2 are engine-specific.
Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS DR314T.
The Premium section: 1 option from WELLS. WELLS 4R1061A is listed in this group.
The Standard Replacement section: 6 options from LILAND GLOBAL, ACDELCO, STANDARD MOTOR PRODUCTS and 1 other brand. ACDELCO D423R is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS DR314T, WELLS 4R1061A and ACDELCO D423R, plus the other parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: all 1974 FJ8 engines | UC12F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN Fits: all 1974 FJ8 engines | 2IGC0056 | 🇺🇸 US | View on Amazon | |
| SKP Fits: 3.8L 232cid L6 | SKUC12 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 1974 FJ8 engines | UC12T | 🇺🇸 US | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: all 1974 FJ8 engines | 49030 | 🇺🇸 US | View on Amazon | |
| WELLS Popular Fits: all 1974 FJ8 engines | 5C1026 | 🇺🇸 US | Requires External Resistor: YES | View on Amazon |
| ACDELCO Fits: all 1974 FJ8 engines | U505 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1974 FJ8 engines | UC12 | 🇺🇸 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.
8 Ignition Coil parts for the 1974 Am General FJ8 come from 7 brands — STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 4 other brands. The "Popular" part is NGK 49030. 7 parts fit every engine; the other 1 is engine-specific.
The Economy section: 4 options from FVP, HOLSTEIN, SKP and 1 other brand. FVP UC12F is listed in this group.
Standard Replacement: 4 parts, from NGK, WELLS, ACDELCO and 1 other brand. A representative part number is NGK 49030.
This group includes NGK 49030, FVP UC12F and HOLSTEIN 2IGC0056 and the remaining parts above.
Spark Plug
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Fits: all 1974 FJ8 engines | 405 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1974 FJ8 engines | 41828 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION Fits: all 1974 FJ8 engines | 7322 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Fits: all 1974 FJ8 engines | 3405 | 🇺🇸 US | Platinum PowerPlug Type: RN14PMC | 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.
4 Spark Plug parts are listed for the 1974 Am General FJ8, from CHAMPION and ACDELCO. All of them fit every engine offered in the 1974 FJ8.
In the Copper / Nickel grade, CHAMPION supplies 1 part: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is CHAMPION 405.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 parts: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 41828.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, CHAMPION supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is CHAMPION 3405.
Part numbers include CHAMPION 405, ACDELCO 41828 and CHAMPION 7322, among others listed above.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1974 FJ8 engines | 2602 | 🇺🇸 US | SetSpark Plug Wire Lead 3: 10.5" | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1974 FJ8 engines | 9630 | 🇺🇸 US | SetCore Material: Silicone Suppression Core | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1974 FJ8 engines | 9466D | 🇺🇸 US 🇨🇦 CA | GoldSet | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1974 FJ8 engines | 29630 | 🇺🇸 US | Pro SeriesSet | View on Amazon |
This table covers the Spark Plug wires.
4 Spark Plug Wire parts for the 1974 Am General FJ8 come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO. Every part fits both the 3.8L 232cid L6 and the 4.2L 258cid L6.
The Economy section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS 2602 is listed in this group.
Premium: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 9630.
Standard Replacement: 2 parts, from ACDELCO and STANDARD MOTOR PRODUCTS. A representative part number is ACDELCO 9466D.
Listed part numbers: STANDARD MOTOR PRODUCTS 2602, STANDARD MOTOR PRODUCTS 9630 and ACDELCO 9466D, plus the other parts above.
Buying Ignition Parts for a 1974 Am General FJ8
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Some ignition parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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: Distributor Cap and Distributor Rotor .
Frequently Asked Questions
How many ignition parts fit the 1974 Am General FJ8?
Our catalog currently lists 34 ignition parts for the 1974 Am General FJ8 across 6 subcategories and 11 brands, covering both the 3.8L 232cid L6 and the 4.2L 258cid L6. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1974 Am General FJ8 engines?
Some do. 23 parts fit every engine; the other 11 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 1974 Am General FJ8?
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 1974 Am General FJ8?
Notes on this page include pre-set gaps of 0.032", 0.033" and 0.035". 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 1974 Am General FJ8 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 1974 Am General FJ8?
First match the engine — each row shows which engine(s) the part fits. 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 1974 Am General FJ8
Ignition Parts for Other Am General FJ8 Years
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