| Model Year | Model | Engine | Transmission | Transfer Case | Axle | Application | Size Callout | Notes |
|---|---|---|---|---|---|---|---|---|
| 1987-1990 | XJ | A242 | All | NP231 | All | Front Driveshaft to Transfer Case Yoke | 5/16"-24x1¼" | Stick to hex heads for this one - not a lot of wrench clearance... |
| 1987-1990 | XJ | All | All | NP231/NP242 | All | Transfer Case Mounting Stud Nuts | 3/8"-24 | Hex Nuts OK. CRES if possible, SAE Grade 5 or SAE Grade 8 will also work. |
| 1987-1990 | XJ | All | AX-15 | All | All | Transmission Mount to Crossmember Stud Nuts | M8-1.25 | Carbon Steel Hex Nuts OK, CRES Preferred. Use Nylock nuts if possible. |
| 1987-1990 | XJ | A242 | AX-15 | All | All | Transmission Mount Cushion to Transmission Mount Bracket Stud Nuts | M12-1.75 | CRES Preferred. Use Nylock nuts if possible |
| 1987-1990 | XJ | A242 | AX-15 | All | All | Start Motor Mounting Screw | 3/8"-16x1½" | CRES Preferred. |
| 1987-1990 | XJ | A242 | All | All | All | Catalytic Converter Flange Stud Nuts | 3/8"-16 | Brass or Bronze preferred. |
| 1987-1990 | All | A242 | All | All | All | Combination Manifold Screws | 3/8"-16x1¼" | Brass or Bronze preferred |
| 1987-1990 | All | A242 | All | All | All | Combination Manifold Stud Nuts | 3/8"-24 | Brass or Bronze Preferred |
| 1987-1990 | All | A242 | All | All | All | Connecting Rod Bolt Nuts | 11/32"-24 | Special Purpose Nut |
| 1987-1990 | All | A242 | All | All | All | Connecting Rod Bolts | 11/32"-24x2-3/8" | Special Purpose Bolt. Non-Standard Head. |
| 1987-1990 | All | A242 | All | All | All | Engine Oil Sump Pan Screws | ¼"-20x½" | Any replacement OK. May also use Studs to 1½" long (i.e. SBChevvy Valve Cover Studs.) Do not use studs in timing chain cover! |
| 1987-1990 | All | A242 | All | All | All | Engine Oil Sump Pan Screws | 5/16"-18x¾" | Any replacement OK. Studs not recommended. |
| 1987-1990 | All | A242 | All | All | All | Exhaust Collector Stud Nuts | 3/8"-16 | Brass nuts highly recommended for serviceabilty! |
| 1987-1990 | XJ | A242 | All | All | All | Exhaust Flange Stud Nuts, Forward of Catalytic Converter | 3/8"-16 | Brass nuts highly recommended for serviceability! |
| 1987-1990 | All | A242 | All | All | All | Crankshaft Main Bearing Cap Screws | ½"-13x3" | SAE Grade 8 or "superalloy" special-purpose Screws |
| 1987-1990 | All | A242 | All | All | All | Timing Cover to Engine Oil Sump Screws | ¼"-20x½" | Do not use studs! Screw replacement OK. Use washers with socket heads. |
| 1987-1990 | All | A242 | All | All | All | Valve Cover Screws | ¼"-20x¾" | Replace with any screws, or 1½" studs. |
| 1987-1990 | All | A242 | All | All | All | Engine Mount Bracket to Engine Block | 3/8"-16x1" | Replace with SAE Grade 5. Use washers as necessary to prevent bottoming out in hole. |
| 1984-2001 | All | All | All | All | Dana 30 | Axle Stub Shaft/Bearing Preload Nut | M24-1.5 | Use minimum ISO Property Class 9.8. Has castellated locking collar. |
| 1984-2001 | XJ & MJ | All | All | All | All | Door Panel to Door Hinge Screws | M8-1.25 x 35m/m | OEM screws are button head Torx drive, but you can probably use hex heads or socket heads for convenience (button head Torx aren't the easiest things to find in a hurry...) |
| 1992 (1991-up?) | XJ & MJ | All | All | All | All | Battery Retainer J-Bolt Nuts | M8-1.25 | Be sure to use a largish washer or a hex nut with a flange base on these! |
| 1994 (1991-1996?) | XJ | A242 | All | All | All | Power Steering Pump Adjuster Screw | M8-1.25 x 100 PC8.8 | Must be fully threaded! You'll probably have to order this one from the dealer or a fastener supply house |
| 1986-1990 | MJ | All | All | All | All | Proportioning Valve Mounting Screw | 5/16"-18 x 1" | |
| 1986-1992 | MJ | All | All | All | All | Cargo Box to Frame Mounting Screws | M10-1.5 x 60 | Eight in total. Use at least PC9.8 strength grade |
| 1991-2001 | XJ | All | All | All | All | Lower Control Arm Screws (Both ends) | M14-2.0x110 PC10.9 | Don't skimp on these! I haven't confirmed yet, but I'm assuming standard M14-2.0x110 PC10.9 screws will work, with no special threading concerns. |