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OE Quality
60-Day Returns
Pioneer Cables 500231-TM Engine Timing Tab
| Brand | Pioneer Cables 500231-TM |
|---|---|
| Fits | Buick and Pontiac · 125 vehicles |
OE replacement alternative. Developed to originally specified designs for a proper fit.
Durable construction. Made from high quality plastic or metal for lasting replacement.
Smooth install. Includes the components necessary for installation.
$28.50Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Engine Timing Tab for OE-Style Fitment
Pioneer Cables 500231-TM is an engine timing tab for applications using the 500231 timing cover. It provides a direct-fit timing mark reference for classic Buick and Pontiac V8 engine builds, including Buick Regal, LeSabre, Riviera, Skylark, and Pontiac Firebird, LeMans, and Grand Prix applications.
- OE-style replacement timing tab for the 500231 timing cover
- Built to match originally specified designs for proper fit
- Made from durable plastic or metal, depending on application
- Supports accurate timing mark visibility during engine service
- Fits classic Buick and Pontiac timing cover applications
Product Details
The Pioneer Cables 500231-TM timing tab is made for engines that use the 500231 timing cover and need a correct timing mark reference. Pioneer designs its timing covers and related components to original specifications, helping ensure the part aligns properly during installation and service. This part number, 500231-TM, is a practical choice for restorations and repairs on Buick and Pontiac models where timing mark accuracy matters.
Compatible With 1964-1986 Buick Skylark, 1968-1984 Buick LeSabre, 1973-1986 Buick Regal, 1977-1984 Buick Riviera, 1975-1980 Buick Skyhawk, 1968-1972 Buick Skylark, 1973-1979 Buick Century, 1975-1979 Buick Skylark, 1968 Pontiac Acadian, 1968 Pontiac Firebird, 1977-1979 Pontiac Firebird, 1968 Pontiac Grand Prix, 1977-1979 Pontiac Grand LeMans, 1977-1979 Pontiac LeMans, 1968 Pontiac LeMans, 1977-1979 Pontiac Phoenix, 1977-1980 Pontiac Bonneville, 1977-1980 Pontiac Catalina, 1977-1980 Pontiac Laurentian, 1977-1980 Pontiac Parisienne, and 1968 Pontiac Tempest. The 500231-TM part number is also a useful reference when matching timing cover service parts for these vehicles.
What It Helps Address
- Missing or damaged timing mark reference on the timing cover
- Incorrect timing indicator alignment during ignition timing service
- Wear-related replacement needs on older engine assemblies
- Restoration work on Buick and Pontiac timing cover setups
- Service issues tied to a mismatched or non-original timing tab
Installation Notes
Verify that the engine uses the 500231 timing cover before ordering. Compare the existing timing tab location and mounting points to the replacement part, and confirm the timing mark aligns correctly after installation. For best results, inspect the timing cover surface and surrounding components before reassembly.
Quality Assurance
Pioneer Cables develops these timing cover components to originally specified designs and manufactures them from durable materials for long service life. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
This part fits 125 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1985 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1984 | Buick | LeSabre | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1984 | Buick | Regal | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1984 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1984 | Buick | Riviera | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1983 | Buick | LeSabre | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1983 | Buick | Regal | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1983 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1983 | Buick | Riviera | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1982 | Buick | LeSabre | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1982 | Buick | Regal | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1982 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1982 | Buick | Riviera | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1981 | Buick | LeSabre | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1981 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1981 | Buick | Riviera | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Buick | LeSabre | 4.1L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Buick | Riviera | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Pontiac | Bonneville | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Pontiac | Catalina | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Pontiac | Laurentian | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1980 | Pontiac | Parisienne | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Century | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Century | 3.2L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | LeSabre | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Regal | 3.2L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Riviera | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Riviera | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Buick | Skylark | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Bonneville | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Catalina | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Firebird | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Grand LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Laurentian | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Parisienne | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1979 | Pontiac | Phoenix | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Century | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Century | 3.2L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | LeSabre | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Regal | 3.2L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Riviera | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Buick | Skylark | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Bonneville | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Catalina | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Firebird | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Grand LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Laurentian | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Parisienne | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1978 | Pontiac | Phoenix | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Century | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | LeSabre | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Regal | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Riviera | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Buick | Skylark | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Bonneville | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Catalina | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Firebird | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Grand LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Grand Prix | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Laurentian | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Parisienne | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1977 | Pontiac | Phoenix | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Century | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | LeSabre | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Regal | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1976 | Buick | Skylark | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Century | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Regal | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Regal | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Skyhawk | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1975 | Buick | Skylark | 3.8L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1974 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1974 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1974 | Buick | Regal | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1973 | Buick | Century | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1973 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1973 | Buick | Regal | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1972 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1972 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1971 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1971 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1970 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1970 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1969 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1969 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Buick | LeSabre | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Buick | Skylark | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Pontiac | Acadian | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Pontiac | Firebird | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Pontiac | LeMans | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1968 | Pontiac | Tempest | 5.7L | V8 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1967 | Buick | Skylark | 3.7L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1966 | Buick | Skylark | 3.7L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1965 | Buick | Skylark | 3.7L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
| 1964 | Buick | Skylark | 3.7L | V6 | N/A | Description: Timing Mark For 500231 Timing Cover |
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