| Engine / Fuel | 25-01: EXHAUST GAS RECIRCULATION SYSTEM |
| 25601 | PIPE SUB-ASSY, EGR, NO.1 | ||
| 25601-38010 | (08/1977 - 06/1981) | 1 | $37.13 |
| 25601-45010 | (01/1979 - 06/1981) | 1 | $84.17 |
| 25601A | SLEEVE, BALL, EGR PIPE, NO.1 | ||
| 90410-14001 | (01/1979 - 06/1981) | 1 | $7.83 |
| 90410-16044 | (08/1977 - 06/1981) | 1 | $6.48 |
| 25601B | NUT, UNION, EGR PIPE, NO.1 | ||
| 90402-22076 | (01/1979 - 06/1981) | 1 | $8.46 |
| 90402-22081 | (08/1977 - 06/1981) | 1 | $5.30 |
| 25601F | UNION(FOR EGR PIPE, NO.1) | ||
| 90404-53027 | 1 | $12.26 | |
| 25618A | BOLT, STUD(FOR EGR INLET) | ||
| 90116-08025 | 2 | $1.38 | |
| 25620 | VALVE ASSY, EGR | ||
| 25620-38190 | CALIFORNIA SPEC | 1 | $286.68 |
| 25620-38191 | USA SPEC | 1 | $286.68 |
| 25620-38210 | FEDERAL SPEC; USA SPEC (08/1978 - 07/1979) | 1 | $286.33 |
| 25620-38211 | USA SPEC (08/1979 - 07/1980) | 1 | $286.33 |
| 25620-38220 | CANADA SPEC (08/1978 - 07/1979) | 1 | $289.77 |
| 25620-38221 | CANADA SPEC (08/1979 - 06/1981) | 1 | $286.33 |
| 25620-45131 | (01/1979 - 07/1979) | 1 | $286.33 |
| 25620-45140 | (08/1979 - 07/1980) | 1 | $286.68 |
| 25620A | BOLT, STUD(FOR EGR VALVE) | ||
| 90116-08025 | (01/1979 - 06/1981) | 2 | $1.38 |
| 90116-08207 | (08/1977 - 06/1981) | 1 | $2.02 |
| 25627 | GASKET, EGR VALVE | ||
| 25627-45020 | 1 | $3.20 | |
| 25628 | GASKET, EGR INLET | ||
| 25628-38010 | (08/1977 - 06/1981) | 1 | $5.18 |
| 25628-45020 | (01/1979 - 06/1981) | 1 | $2.13 |
| 25682 | COOLER, EGR, NO.2 | ||
| 25682-45020 | 1 | $54.24 | |
| 25686 | GASKET, EGR COOLER, NO.2 | ||
| 25686-45010 | 1 | $20.64 | |
| 25690 | MODULATOR ASSY, EGR VACUUM | ||
| 25690-38010 | CANADA SPEC | 1 | $95.96 |
| 25690-38020 | USA SPEC | 1 | $96.35 |
| 25690-45020 | (01/1979 - 07/1979) | 1 | $95.96 |
| 25690-45030 | (08/1979 - 07/1980) | 1 | $96.35 |
| 25870-38010 | FEDERAL SPEC | 1 | $103.71 |
| 25870-38020 | CALIFORNIA SPEC (08/1979 - 07/1980) | 1 | $102.01 |
| 25870-38030 | CANADA SPEC (08/1979 - 07/1980) | 1 | $102.01 |
| 25870-38050 | FEDERAL SPEC (10/1979 - 07/1980) | 1 | $103.71 |
| 25690A | HOSE(FOR EGR VACUUM MODULATOR) | ||
| 90445-11017 | (01/1979 - 06/1981) | 1 | $1.90 |
| 90910-05137 | (12/1978 - 07/1979) | 1 | $8.66 |
| 90910-05147 | (08/1979 - 06/1981) | 1 | $6.76 |
| 25691 | BRACKET, EGR VACUUM MODULATOR | ||
| 25691-38030 | (12/1978 - 07/1979) | 1 | $13.68 |
| 25691-38040 | (08/1979 - 07/1980) | 1 | |
| 25691-45020 | (01/1979 - 06/1981) | 1 | $13.64 |
| 90179-08146 | *** STD. PART | $1.19 | |
| 91611-60830 | *** STD. PART | $2.10 | |
| 91651-40825 | *** STD. PART | $2.41 | |