84 Ignition parts are listed for the 1991 Saab 900, in 10 part types, covering both the 2.0L L4 Turbocharged and the 2.1L L4. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1991 Saab 900, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 63 parts of the 84 listed are Spark Plug (39 parts), Distributor Cap (12 parts) and Spark Plug Wire (12 parts). The other 7 part types cover the remaining 21 parts.
The 1991 Saab 900 was sold with both the 2.0L L4 Turbocharged and the 2.1L L4. 31 parts fit every engine; the other 53 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1991 Saab 900 ignition parts are STANDARD MOTOR PRODUCTS (13 parts), BOSCH (10 parts) and DENSO (9 parts), plus 19 more brands. Quality grades include Standard Replacement, Copper / Nickel and Platinum.
17 parts on this 1991 Saab 900 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including BOSCH 03010 (Distributor Cap) and WELLS 4R1219 (Distributor Rotor). Click any part number to see every vehicle that part fits.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: all 1991 900 engines | 2351179 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
One part is listed for the 1991 Saab 900 — WALKER PRODUCTS 2351179.
Distributor Cap
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1991 900 engines | GB423T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL Fits: all 1991 900 engines | GB423LG | 🇺🇸 US 🇨🇦 CA | Tan Brass | View on Amazon |
| LILAND GLOBAL Fits: all 1991 900 engines | GB423BLBLG | 🇺🇸 US 🇨🇦 CA | Blue Brass | View on Amazon |
| WELLS Fits: all 1991 900 engines | 5D1012A | 🇺🇸 US 🇨🇦 CA | Premium | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 1991 900 engines | 03010 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: all 1991 900 engines | GB423 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Popular Fits: all 1991 900 engines | 9251068 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FACET Fits: all 1991 900 engines | 27479PHT | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| KARLYN / BREMI / STI Fits: all 1991 900 engines | 228045 | 🇺🇸 US 🇨🇦 CA | Bremi | View on Amazon |
| LILAND GLOBAL Fits: all 1991 900 engines | GB423TLG | 🇺🇸 US 🇨🇦 CA | Color: BlackBody Material: PBT | View on Amazon |
| WELLS Fits: all 1991 900 engines | 3D1028 | 🇺🇸 US 🇨🇦 CA | Includes Rotor | View on Amazon |
| WELLS Fits: all 1991 900 engines | 5D1012 | 🇺🇸 US 🇨🇦 CA | Distributor Cap Contacts Material: Aluminum | 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.
12 Distributor Cap parts for the 1991 Saab 900 come from 7 brands — LILAND GLOBAL, WELLS, STANDARD MOTOR PRODUCTS and 4 other brands. The "Popular" part is BOSCH 03010. Every part fits both the 2.0L L4 Turbocharged and the 2.1L L4.
The Economy section lists 1 option from STANDARD MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS GB423T is listed in this group.
In the Premium grade, LILAND GLOBAL and WELLS supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL GB423LG.
In the Standard Replacement grade, WELLS, BOSCH, STANDARD MOTOR PRODUCTS and 4 other brands supply 8 parts: built to original-equipment specification. A representative part number is BOSCH 03010.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 1991 900 engines | V50700004 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular Fits: all 1991 900 engines | 4R1219 | 🇺🇸 US 🇨🇦 CA | Color: BlackContact Material: Brass | View on Amazon |
| BOSCH Fits: all 1991 900 engines | 04168 | 🇺🇸 US 🇨🇦 CA | GLUED ON ROTOR | View on Amazon |
| FACET Fits: 2.1L L4 | 3757323RS | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| KARLYN / BREMI / STI Fits: 2.0L L4 Turbocharged | 237006 | 🇺🇸 US 🇨🇦 CA | Bremi | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 900 engines | GB373 | 🇺🇸 US 🇨🇦 CA | Color/Finish: Black | 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.
6 Distributor Rotor parts for the 1991 Saab 900 come from 6 brands — VEMO, WELLS, BOSCH and 3 other brands. The "Popular" part is WELLS 4R1219. 4 parts fit every engine; the other 2 are engine-specific.
The Economy section: 1 option from VEMO. VEMO V50700004 is listed in this group.
Standard Replacement: 5 parts, from WELLS, BOSCH, FACET and 2 other brands. A representative part number is WELLS 4R1219.
This group includes WELLS 4R1219, VEMO V50700004 and BOSCH 04168 and the remaining parts above.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PROFESSIONAL PARTS SWEDEN Fits: all 1991 900 engines | 28343834 | 🇺🇸 US 🇨🇦 CA | Exc. Direct Ignition | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1991 900 engines | UF101 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | C101 | 🇺🇸 US 🇨🇦 CA | 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.
3 Ignition Coil parts are listed for the 1991 Saab 900, from PROFESSIONAL PARTS SWEDEN, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. 2 parts fit every engine; the other 1 is engine-specific.
Part numbers include PROFESSIONAL PARTS SWEDEN 28343834, STANDARD MOTOR PRODUCTS UF101 and UNITED MOTOR PRODUCTS C101.
Ignition Coil Wire
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PROFESSIONAL PARTS SWEDEN Fits: 2.1L L4 | 28341157 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Ignition Coil wires.
This group shows a single part: PROFESSIONAL PARTS SWEDEN 28341157.
Ignition Control Module (ICM)
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Fits: 2.1L L4 | LX605 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.1L L4 | LX605 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ASTEMO / HITACHI Fits: 2.1L L4 | IGC8004S | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 2.1L L4 | 006623191 | 🇺🇸 US 🇨🇦 CA | Manufacturer Restriction: BOSCH | View on Amazon |
| WAI GLOBAL Fits: 2.1L L4 | BM324 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Fits: 2.0L L4 Turbocharged | IGC8004S | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 2.0L L4 Turbocharged | 006623941 | 🇺🇸 US 🇨🇦 CA | 7-Pin ConnectorBolted | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | LX832 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Ignition control modules.
8 Ignition Control Module (ICM) parts are listed for the 1991 Saab 900, from STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI, HELLA and 2 other brands. STANDARD MOTOR PRODUCTS LX605 carries the "Popular" badge.
Economy: 1 part, from ULTRA-POWER. A representative part number is ULTRA-POWER LX605.
The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI, HELLA and 1 other brand. STANDARD MOTOR PRODUCTS LX605 is listed in this group.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
Listed part numbers: STANDARD MOTOR PRODUCTS LX605 and ASTEMO / HITACHI IGC8004S, plus the other parts above.
Spark Plug
Summary: Notes include pre-set gaps of 0.027", 0.028", 0.03", 0.031", 0.032", 0.034", 0.035", 0.036", 0.039", 0.040" and 0.044". Replacement brands in this table include DENSO, BOSCH and CHAMPION.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: 2.1L L4 | 7927 | 🇺🇸 US 🇨🇦 CA | NickelPre-Set Gap: 0.031" | View on Amazon |
| NGK Popular Fits: 2.0L L4 Turbocharged | 2330 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.036" | View on Amazon |
| ACDELCO Fits: 2.1L L4 | FR2LS | 🇺🇸 US 🇨🇦 CA | GAP:.028 | View on Amazon |
| AUTOLITE Fits: all 1991 900 engines | 5503 | 🇺🇸 US 🇨🇦 CA | Copper Resistor Spark PlugDisplay Pack | View on Amazon |
| CHAMPION Fits: 2.0L L4 Turbocharged | 337 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION Fits: 2.1L L4 | 946 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION Fits: 2.1L L4 | 9461 | 🇺🇸 US 🇨🇦 CA | Pre-Set Gap: 0.03" | View on Amazon |
| DENSO Fits: 2.0L L4 Turbocharged | 3010 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
| DENSO Fits: 2.1L L4 | 3137 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
| MOTORCRAFT Fits: 2.1L L4 | SP467 | 🇺🇸 US 🇨🇦 CA | .028 Gap | View on Amazon |
| NGK Fits: 2.0L L4 Turbocharged | 3735 | 🇺🇸 US 🇨🇦 CA | V-PowerPre-Set Gap: 0.036" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1991 900 engines | 41829 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| AUTOLITE Fits: all 1991 900 engines | APP5503 | 🇺🇸 US 🇨🇦 CA | Double Platinum5/8" Hex Size | View on Amazon |
| BOSCH Fits: 2.0L L4 Turbocharged | FR6KPP33 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double PlatinumPre-Set Gap: 0.031" | View on Amazon |
| BOSCH Fits: 2.0L L4 Turbocharged | 8154 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double Platinum | View on Amazon |
| CHAMPION Fits: 2.0L L4 Turbocharged | 7545 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.039" | View on Amazon |
| DENSO Fits: 2.1L L4 | 3266 | 🇺🇸 US 🇨🇦 CA | Double Platinum | View on Amazon |
| DENSO Fits: 2.1L L4 | 3005 | 🇺🇸 US 🇨🇦 CA | Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular Fits: 2.0L L4 Turbocharged | 9805 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.039" | View on Amazon |
| CHAMPION Popular Fits: 2.1L L4 | 9201 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.039" | View on Amazon |
| AUTOLITE Fits: all 1991 900 engines | XP5503 | 🇺🇸 US 🇨🇦 CA | Iridium XPDisplay Pack | View on Amazon |
| DENSO Fits: 2.0L L4 Turbocharged | 5313 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.032" | View on Amazon |
| DENSO Fits: 2.1L L4 | 5301 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO Fits: 2.1L L4 | 4706 | 🇺🇸 US 🇨🇦 CA | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
| NGK Fits: 2.0L L4 Turbocharged | 5690 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| NGK Fits: 2.0L L4 Turbocharged | 5689 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| NGK Fits: 2.1L L4 | 5688 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1991 900 engines | 19 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| BOSCH Popular Fits: 2.1L L4 | 6726 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire PlatinumPre-Set Gap: 0.031" | View on Amazon |
| CHAMPION Popular Fits: 2.0L L4 Turbocharged | 3068 | 🇺🇸 US 🇨🇦 CA | Platinum PowerPre-Set Gap: 0.03" | View on Amazon |
| CHAMPION Popular Fits: 2.1L L4 | 3071 | 🇺🇸 US 🇨🇦 CA | Platinum PowerInstalled Height (Inch): 2.07 In | View on Amazon |
| NGK Popular Fits: 2.0L L4 Turbocharged | 7088 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| AUTOLITE Fits: all 1991 900 engines | AP5503 | 🇺🇸 US 🇨🇦 CA | Platinum Spark PlugDisplay Pack | View on Amazon |
| BOSCH Fits: 2.1L L4 | 4202 | 🇺🇸 US 🇨🇦 CA | Gap 0.028 in | View on Amazon |
| BOSCH Fits: 2.1L L4 | 6758 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Platinum | View on Amazon |
| BOSCH Fits: 2.1L L4 | FR7DPP | 🇺🇸 US 🇨🇦 CA | OE Fine Wire PlatinumPre-Set Gap: 0.027" | View on Amazon |
| DENSO Fits: 2.0L L4 Turbocharged | 3158 | 🇺🇸 US 🇨🇦 CA | 0.6 Gap | View on Amazon |
| DENSO Fits: 2.1L L4 | 4507 | 🇺🇸 US 🇨🇦 CA | Platinum TTPre-Set Gap: 0.040" | View on Amazon |
Silver (best conductor of electricity for sport driving / racing)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 2.0L L4 Turbocharged | F6DSR | 🇺🇸 US 🇨🇦 CA | OE/SpecialtyPre-Set Gap: 0.027" | 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.
39 Spark Plug parts for the 1991 Saab 900 come from 7 brands — DENSO, BOSCH, CHAMPION and 4 other brands. The "Popular" part is BOSCH 7927. Grades run from Copper / Nickel through Silver (best conductor of electricity for sport driving / racing); Copper / Nickel is the most populated section, led by CHAMPION, NGK, DENSO and 4 other brands.
Spark Plug Non-Fouler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 1991 900 engines | 42004 | 🇺🇸 US 🇨🇦 CA | 14mm Gasket Seat Long Reach | View on Amazon |
This table covers the non-foulers that space a spark plug away from oil fouling.
One part is listed for the 1991 Saab 900 — DORMAN 42004.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PROFESSIONAL PARTS SWEDEN Fits: 2.0L L4 Turbocharged | 21343034 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Spark Plug Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 1991 Saab 900 — PROFESSIONAL PARTS SWEDEN 21343034.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B Fits: all 1991 900 engines | S439770 | 🇺🇸 US 🇨🇦 CA | Suppressor Wire Set | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.1L L4 | 4992 | 🇺🇸 US 🇨🇦 CA | SetFederal Wire | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: all 1991 900 engines | 54273 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | 55430 | 🇺🇸 US 🇨🇦 CA | IntermotorSet | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | 55109 | 🇺🇸 US 🇨🇦 CA | IntermotorSet | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.1L L4 | 55440 | 🇺🇸 US 🇨🇦 CA | IntermotorSet | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 1991 900 engines | 9407 | 🇺🇸 US 🇨🇦 CA | United-PackardSet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.0L L4 Turbocharged | 27478 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.1L L4 | 27461 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| B&B Fits: all 1991 900 engines | M439770 | 🇺🇸 US 🇨🇦 CA | Platinum Class Laser Mag | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | 27419 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| WALKER PRODUCTS Fits: all 1991 900 engines | 9241065 | 🇺🇸 US 🇨🇦 CA | Direct FitSet | View on Amazon |
This table covers the Spark Plug wires.
12 Spark Plug Wire parts are listed for the 1991 Saab 900, from STANDARD MOTOR PRODUCTS, B&B, NGK and 2 other brands. NGK 54273 carries the "Popular" badge. 5 parts fit every engine; the other 7 are engine-specific.
Economy: 2 parts, from B&B and STANDARD MOTOR PRODUCTS. A representative part number is B&B S439770.
The Premium section: 5 options from STANDARD MOTOR PRODUCTS, NGK and UNITED MOTOR PRODUCTS. NGK 54273 is listed in this group.
The Standard Replacement section: 5 options from STANDARD MOTOR PRODUCTS, B&B and WALKER PRODUCTS. STANDARD MOTOR PRODUCTS 27478 is listed in this group.
Buying Ignition Parts for a 1991 Saab 900
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: Spark Plug and Distributor Cap .
Frequently Asked Questions
How many ignition parts fit the 1991 Saab 900?
Our catalog currently lists 84 ignition parts for the 1991 Saab 900 across 10 subcategories and 22 brands, covering both the 2.0L L4 Turbocharged and the 2.1L L4. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1991 Saab 900 engines?
Some do. 31 parts fit every engine; the other 53 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 1991 Saab 900?
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 1991 Saab 900?
Notes on this page include pre-set gaps of 0.027", 0.028", 0.03", 0.031", 0.032", 0.034", 0.035", 0.036", 0.039", 0.040" 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 1991 Saab 900 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 1991 Saab 900?
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 1991 Saab 900
Ignition Parts for Other Saab 900 Years
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