Description
107799-G3 - MODEL 9 CHECK VALVE - 3/4" NPT
PART NUMBER(S):
Fleet Products: 107799-G3 (New) | Replaces OE: Bendix 107799, BW107799, BW 107799, 107799BXW, BEN107799, BND107799, BNS107799 | Volvo V1092448, 1092448 | Mack 745-107799 | Meritor R955107799N | Automann 170.107799 | Euclid E-BN107799N | Dayton AV107799 | Newstar S-E856, SE856, BER-107799 | Navistar BX107799, BAN107799, ZAC107799 | Tectran AT107799TEC | World American WA107799
DESCRIPTION:
Model: Model 9 / AD-9 air dryer check valve
Vehicles: Freightliner, Volvo, Mack, Blue Bird, MCI Coaches and heavy-duty vehicles using compatible Model 9 / AD-9 air dryer systems
• Valve Type: One-way air dryer check valve
• Port Size: 3/4" NPT
• Application: Model 9 / AD-9 style air dryer systems
• Function: Prevents air tank backflow during purge cycle
• Mounting Style: Drop-in replacement for old-style AD-9 end covers
• System Type: Heavy-duty air brake air dryer systems
• Fitment Note: Compatible with old-style AD-9 end covers only
Applications:
Used in AD-9 style air dryer systems on medium- and heavy-duty commercial trucks and buses. This check valve prevents backflow from air tanks during purge cycles, helping preserve system pressure and protect compressor and air dryer operation.
CROSS-REFERENCE(S):
107799-G3, 107799, BW107799, BW 107799, 107799BXW, 060-107799, V1092448, 1092448, 170.107799, 745-107799, AV107799, G1012639, R955107799N, WA107799, TKL107799, LKT-1213, 1213, S-E856, SE856, BX107799, BEN107799, BAN107799, AT107799TEC, ZAC107799, ST-107799, PH-107799, FP-107799, PP-107799, PHD-107799, VIP-107799, AS-107799, TR-107799, SC-107799, TP-107799, FC-107799, HDA-107799, E-BN107799N, BER-107799, GTA107799, GTA-107799, TLA107799, 8210884004, 4313557, BND107799, TWDBEN107799, KN20561, N30161AH, BNS107799, 9515101339, 060-107799, G1012639, TKL107799, LKT-1213, 1213, ST-107799, PH-107799, FP-107799, PP-107799, PHD-107799, VIP-107799, AS-107799, TR-107799, SC-107799, TP-107799, FC-107799, HDA-107799, GTA107799, GTA-107799, TLA107799, 8210884004, 4313557, TWDBEN107799, KN20561, N30161AH, 9515101339
A cross-reference listing means this part can replace the listed numbers based on manufacturer or distributor data. Always verify dimensions and specs before purchase.
IMPORTANT INSTALLATION NOTES:
✔ Only compatible with old-style AD-9 end covers; do not use with updated models unless verified.
✔ Fully depressurize the air system before removing or installing the check valve.
✔ Confirm 3/4" NPT port size matches the dryer housing connection.
✔ Use thread sealant suitable for air brake systems on NPT fittings.
✔ After installation, check for air leaks and verify proper air dryer purge operation.
Warranty Information
