Diagonal Split System with 4 way Failure Switch-E
Label Part No Description Quantity Comments
1 HS17 4 way to R/H front hose 16” long 1 N.L.A - 7/16”UNF on 4 way valve
2 HF29 4 way to BCA4002 connector 29” long 1
3 HF17 BCA4002 connector to L/H/F hose 17” long 1
4 HD96 4 way to R/H rear hose 96” (Van is 101”) 1
5 HS116 4 way to L/H rear hose 116” (Van 120”) 1 N.L.A - 7/16”UNF on 4 way valve
6 HS30 4 way to master cylinder LHD 30” 1 N.L.A - 7/16”UNF on 4 way valve
6 HS9 4 way to master cylinder RHD 8 1/2” 1 N.L.A - 7/16”UNF on 4 way valve
7 HF32 4 way to master cylinder LHD 32” 1
7 HF10 4 way to master cylinder RHD 9 1/2” 1
8 HF9 Bridge pipe between wheel cylinders 2 Drum brakes only
9 HD10 Rear hose to wheel cylinder 2
10 BCA4002 Pipe connector UNF thread 1
11 TM606031 Male pipe union 3/8”UNF thread 1
11 BHA4706 Male pipe union 7/16”UNF thread 3 To fit PDWA valve
12 TN606031 Female union UNF thread 1
13 7H7853 Banjo for 4 way failure switch 1 N.L.A
14 233220A Copper washer 1
15 21A2518 Banjo bolt for failure switch 1 N.L.A
16 3H550 Copper washer for 21A2518 1
17 13H5905 4 way failure switch, was RTC2525 1 N.L.A
18 BAU1704A Repair kit for 13H5905 1 N.L.A
19 GBH170 Front brake hose 2 Drum brakes
19 GBH249 Front brake hose, was GBH174 2 Disc brakes
20 GBH250 Rear hose, was GBH173 2
20 GB5014 Brake pipe kit with imperial union master cylinder 1 RHD saloon
20 GL5014 Brake pipe kit with imperial union master cylinder 1 LHD saloon

HF denotes male unions at both ends. 

HD denotes one male union end and one female union end. 

HS denotes one male end and a special larger 7/16" unf male end for the PDWA valve. 



Part number prefix guide - Number denotes length “.
HF Male UNF both ends 3⁄8” UNF
HD Male end UNF and female end UNF
HS Male end and a special larger 7⁄16” UNF male end for the PDWA valve