| Engine oil & filter | 5W-30 (−30 to +40 °C) or 10W-30 · 4.5 L (3.0 V6) / 8.3 L (2.8 diesel) | Now, then per the manual confirm in manual | A Delica Canada member lists Baldwin B7121 (tall) and BD7028 (short) oil filters for the 4M40.Genuine oil filters (4M40 / 6G72) · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗Baldwin B7121 oil filter (4M40) · RockAuto part search ↗ |
| Air filter | Panel element confirm in manual | Inspect at every oil change | One owner found a K&N element didn't fit: the stock element is closed at the bottom and seals in the middle. JAOS still lists a BATTLEZ air cleaner for petrol Space Gears.Genuine air filter element · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗JAOS Delica Space Gear parts (incl. BATTLEZ air cleaner, petrol) · JAOS ↗ |
| Fuel filter (diesel) | Baldwin BF7539 (Delica Canada cross-reference) | Now, and carry a spare on long trips | Bleed the system after changing it.Baldwin BF7539 fuel filter · RockAuto part search ↗Genuine fuel filter · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |
| Spark plugs (V6) / glow plugs (diesel) | V6: NGK PFR6J-11 or Denso PK20PR-P11 · diesel: glow plugs confirm in manual | Plugs now if there are no records; glow plugs when starting slows | A failing glow-plug relay or controller can mimic bad plugs; one member's starting got worse after fitting new ones.NGK PFR6J-11 spark plug · RockAuto part search ↗Genuine glow plugs and glow-plug relay · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |
| Coolant | ≈11 L (both 2.8 diesel and 3.0 V6) | Flush now, then per the manual | Cooling-system health is everything on a 4M40; look for overheating history and cracked-head symptoms.Montero cooling parts (hoses, thermostat) for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗Genuine radiator hoses and thermostat · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |
| Automatic transmission | Mitsubishi ATF SP-II M (Diamond/DiaQueen) · 9.3 L | Drain and fill now, and repeat at the next oil change | A drain and fill changes only part of the fluid. One member runs 9+ quarts of an SP-II equivalent.Montero automatic filter and pan gasket for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗Genuine ATF SP-II M and filter · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |
| Transfer case (Super Select) | SAE 75W-85 GL-4 · 2.5 L | Change now | Use 4H regularly so the system doesn't stick. One Expedition Portal owner uses 4H as AWD on snowy highways.Montero drivetrain seals and gaskets for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗ |
| Front differential | GL-5 hypoid · 80W below 10 °C, SAE 90 above · 0.9 L | Change now | Check the vacuum actuator and its hoses while you're under there.Montero front-diff seals for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗ |
| Rear differential | GL-5 hypoid · 80W below 10 °C, SAE 90 above · 1.6–2.6 L depending on body length | Change now | One owner says Super Exceed and Royal Exceed vans share the 1995 Montero SR's 9.5-inch rear diff for pinion seals.Montero rear-diff seals and bearings for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗ |
| Power steering | Mitsubishi ATF II · ≈1 L (not SP-II M) | Flush now | The cooler line in front of the radiator is a known leak point and hard to reach.Montero steering hoses and parts for cross-reference · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗ |
| Timing belt (V6) / timing chain (diesel) | 6G72: belt, tensioner, water pump · 4M40: chain | V6 belt now with no receipt confirm in manual; diesel chain when it's noisy | An Expedition Portal owner's 1996 diesel needed a timing chain along with glow plugs and CV joints.Montero 3.0 V6 timing belt kits (match part numbers) · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗Genuine 4M40 timing chain and guides · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |
| Brake fluid | confirm in manual | Flush now | Check the rear calipers for sticking while the wheels are off.Montero brake hoses and hardware · RockAuto (1995 Montero 3.0 catalogue; match by part number) ↗ |
| Battery | 80D26R (3.0 V6) · 95D31R (diesel) · 2× 80D26R (cold-climate diesel) | Load-test now | Cold-climate diesels have twin batteries (owners associate the Chamonix with the cold-climate pack), so check both. Clean the terminals before chasing any electrical fault.Genuine battery hold-downs and cables · Megazip (genuine Mitsubishi catalogue, search by frame number) ↗ |