| Service kit A (PD004) — silencer Part no. PD1SK01 · 6,000 h service (1 year) | PD1SK01 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $123 | |
| Service kit A (PD006–PD035) — silencer Part no. PD1SK02 · 6,000 h service (1 year) | PD1SK02 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $123 | |
| Service kit B (PD004) — desiccant cartridges, seals, silencer Part no. PDC004-12000 · 12,000 h service (2 years) | PDC004-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $426 | |
| Service kit B (PD006) — desiccant cartridges, seals, silencer Part no. PDC006-12000 · 12,000 h service (2 years) | PDC006-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $448 | |
| Service kit B (PD008) — desiccant cartridges, seals, silencer Part no. PDC008-12000 · 12,000 h service (2 years) | PDC008-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $461 | |
| Service kit B (PD010) — desiccant cartridges, seals, silencer Part no. PDC010-12000 · 12,000 h service (2 years) | PDC010-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $491 | |
| Service kit B (PD015) — desiccant cartridges, seals, silencer Part no. PDC015-12000 · 12,000 h service (2 years) | PDC015-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $568 | |
| Service kit B (PD025) — desiccant cartridges, seals, silencer Part no. PDC025-12000 · 12,000 h service (2 years) | PDC025-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $736 | |
| Service kit B (PD035) — desiccant cartridges, seals, silencer Part no. PDC035-12000 · 12,000 h service (2 years) | PDC035-12000 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $1,132 | |
| Valve kit D (PD004–PD035) Part no. VSKS01 · 24,000 h service (4 years) · solenoid valves, shuttles, seats, seals | VSKS01 | Walker PRODRY desiccant air dryer (PD004–PD035, low flow) | $919 | |
| Dew-point management control (DMC) — hygrometer Add “DMC” to the model number (e.g. PD0110DMC). Display and dew-point sensor. | DMC | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $5,019 | |
| Service kit A/C (PD0046–PD0090) — silencer Part no. PD3SK01 · 6,000 h or 18,000 h service (kits A and C) | PD3SK01 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $256 | |
| Service kit A/C (PD0110–PD0180) — silencer Part no. PD3SK02 · 6,000 h or 18,000 h service (kits A and C) | PD3SK02 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $383 | |
| Service kit A/C (PD0220–PD0360) — silencer Part no. PD3SK03 · 6,000 h or 18,000 h service (kits A and C) | PD3SK03 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $764 | |
| Service kit B (PD0046) — desiccant cartridges, seals, silencer Part no. PDSK0046-12000 · 12,000 h service (2 years) | PDSK0046-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,082 | |
| Service kit B (PD0056) — desiccant cartridges, seals, silencer Part no. PDSK0056-12000 · 12,000 h service (2 years) | PDSK0056-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,150 | |
| Service kit B (PD0075) — desiccant cartridges, seals, silencer Part no. PDSK0075-12000 · 12,000 h service (2 years) | PDSK0075-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,244 | |
| Service kit B (PD0090) — desiccant cartridges, seals, silencer Part no. PDSK0090-12000 · 12,000 h service (2 years) | PDSK0090-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,358 | |
| Service kit B (PD0110) — desiccant cartridges, seals, silencer Part no. PDSK0110-12000 · 12,000 h service (2 years) | PDSK0110-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,493 | |
| Service kit B (PD0150) — desiccant cartridges, seals, silencer Part no. PDSK0150-12000 · 12,000 h service (2 years) | PDSK0150-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,843 | |
| Service kit B (PD0180) — desiccant cartridges, seals, silencer Part no. PDSK0180-12000 · 12,000 h service (2 years) | PDSK0180-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $2,211 | |
| Service kit B (PD0220) — desiccant cartridges, seals, silencer Part no. PDSK0220-12000 · 12,000 h service (2 years) | PDSK0220-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $2,637 | |
| Service kit B (PD0300) — desiccant cartridges, seals, silencer Part no. PDSK0300-12000 · 12,000 h service (2 years) | PDSK0300-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $3,513 | |
| Service kit B (PD0360) — desiccant cartridges, seals, silencer Part no. PDSK0360-12000 · 12,000 h service (2 years) | PDSK0360-12000 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $4,471 | |
| Service kit D (PD0046) — cartridges, silencer, valves Part no. PDSK0046-24000-S24 · 24,000 h service (4 years) | PDSK0046-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,747 | |
| Service kit D (PD0056) — cartridges, silencer, valves Part no. PDSK0056-24000-S24 · 24,000 h service (4 years) | PDSK0056-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $1,873 | |
| Service kit D (PD0075) — cartridges, silencer, valves Part no. PDSK0075-24000-S24 · 24,000 h service (4 years) | PDSK0075-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $2,202 | |
| Service kit D (PD0090) — cartridges, silencer, valves Part no. PDSK0090-24000-S24 · 24,000 h service (4 years) | PDSK0090-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $2,412 | |
| Service kit D (PD0110) — cartridges, silencer, valves Part no. PDSK0110-24000-S24 · 24,000 h service (4 years) | PDSK0110-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $2,945 | |
| Service kit D (PD0150) — cartridges, silencer, valves Part no. PDSK0150-24000-S24 · 24,000 h service (4 years) | PDSK0150-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $3,586 | |
| Service kit D (PD0180) — cartridges, silencer, valves Part no. PDSK0180-24000-S24 · 24,000 h service (4 years) | PDSK0180-24000-S24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $3,995 | |
| Service kit D (PD0220) — cartridges, silencer, valves Part no. PDSK0220-24000-D24 · 24,000 h service (4 years) | PDSK0220-24000-D24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $4,993 | |
| Service kit D (PD0300) — cartridges, silencer, valves Part no. PDSK0300-24000-D25 · 24,000 h service (4 years) | PDSK0300-24000-D25 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $6,251 | |
| Service kit D (PD0360) — cartridges, silencer, valves Part no. PDSK0360-24000-D24 · 24,000 h service (4 years) | PDSK0360-24000-D24 | Walker PRODRY desiccant air dryer (PD0046–PD0360, new generation) | $7,119 | |
