BWP-NSI Truck and Trailer Suspension Parts Lookup: Find springs, u-bolts, hoods, bumpers, etc.

Product Lines & Applications

#3 TLC Lane / St. Clair, MO 63077
Phone 636-629-5800 / Fax 636-629-6500
springs@nsihd.com

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Leaf Springs Kenworth

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Description

Drive Axle Spring 6 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-131	4	22	24-1/2			2-7/8	6	3	9500	,

107.00

KW141

Photos are for reference only; the actual part may show minor variances from the picture

Drive Axle Spring 3 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-141	4	22	24-1/2			2-9/16	3	2-1/4	9500	,

77.00

Steer Axle Spring 8 Leaf/T Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-156	4	25-1/8	27-5/8	SPB68	SPB68	7-3/8	8/SHOCKEYE	3-1/4	4800	,

142.00

Steer Axle Spring 10 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-166	4	26-1/4	26-1/4	SPB68	SPB68	5-3/4	10	3-5/16	4700	,

147.00

Steer Axle Spring 9 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-176	4"	26-1/8"	26-1/8"	SPB68	SPB68	4-3/8"	9	4-1/2"	8350

190.60

Steer Axle Spring Pad/3 Leaf/Pad/Toweye/Shockeye Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-184	4	25-1/4	27-3/4	SPB68	SPB68	6-5/16	PD/3/PD/TOWEYE/SHOCKEYE	3-3/8	5600	,

111.80

Steer Axle Spring 15 Leaf Flag_US

197.70

Drive Axle Spring 12 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-190	4	26-1/4	26-1/4	SPB68	SPB68	5-1/4	12	3-15/16	5300	USE KW192 FOR RIGHT SIDE,

164.20

Steer Axle Spring 13 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-192	4	26-1/4	26-1/4	SPB68	SPB68	5-1/4	13	4-5/16	5300	USE KW190 FOR LEFT SIDE,

170.30

KW200

Photos are for reference only; the actual part may show minor variances from the picture

Steer Axle Spring 2 Pad/3/ Pad Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-200	4	26-1/4	26-1/4	SPB68	SPB68	6	2PD/3/PD	3-1/16	5300	,

100.50

Steer Axle Spring 2 Pad/3/2 Pad Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-214	4	26-1/4	26-1/4	SPB68	SPB68	5-13/16	2PD/3/2PD	3-5/8	5600	,

112.00

KW270

Photos are for reference only; the actual part may show minor variances from the picture

Steer Axle Spring 11 Leaf/Shock Eye Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-270	4	27	27	SPB68	SPB68	5	11/SHOCKEYE	4-3/16	4900	,

176.00

Steer Axle Spring 10 Leaf/Shock Bracket Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-366	4	27-1/16	27-1/16	SPB68	SPB68	2-5/8	10/Shockeye	5-1/2	8420	Pair Code R4,

234.60

Steer Axle Spring 10 Leaf Flag_US

268.10

KW400

Photos are for reference only; the actual part may show minor variances from the picture

Steer Axle Spring 3 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-400	4	32	32	SPB68	SPB68	4-15/16	3	2-1/2	6550	,

140.00

KW400XL

Photos are for reference only; the actual part may show minor variances from the picture

Tapered Extra Leaf 59-400-3 adds 2,000# per Leaf Flag_MX

41.00

Steer Axle Spring Pad/4 Leaf/Shock Mount Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-404	4	27-1/4	27-1/4	SPB68	SPB68	6	PD/4/SHOCKEYE	3-3/8	5400	,

126.00

Steer Axle Spring Pad/4 Leaf/Shock Mount

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-408	4	27-1/4	27-1/4	SPB68	SPB68	5-7/8	PD/4/SHOCKEYE	3-11/16	5900	,

142.00

Steer Axle Spring 9 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-410	4	32	32	SPB68	SPB68	3-7/8	9	5-1/2	9200	,

261.00

KW428

Photos are for reference only; the actual part may show minor variances from the picture

Steer Axle Spring P/2/P Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-428	4	32-1/8	32-1/8	SPB68	SPB68	5-7/16	1Pd/394 2Lf/984 2Pd/473	2-15/16	6000	4" Contant Width,

114.00

KW428-US

Photos are for reference only; the actual part may show minor variances from the picture

Steer Axle Spring P/2/P Made in USA

111.00

Steer Axle Spring Pad/2 Leaf/2 Pad/Shock Mount Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-430	4	27-1/4	27-1/4	SPB68	SPB68	5-7/8	P/2/2P/Shockeye	3-7/16	5900	,

98.00

KW430XL

Photos are for reference only; the actual part may show minor variances from the picture

Tapered Extra Leaf 59-430XL adds 1,500# per Leaf Flag_MX

29.60

Steer Axle Spring, Full Taper

141.80

Consider KW430 in Pairs & Reverse Direction of Shock Eye

0.00

Steer Axle Spring Pad/3 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-446	4	32	32	SPB68	SPB68	5-7/16	P/3	3-7/16	7200

154.00

Steer Axle Spring Pad/4 Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-450	4	32	32	SPB68	SPB68	3-1/2	4	4-1/4	9500	CONSTANT WIDTH SPRING,

203.00

Steer Axle Spring 2 Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-464	4	27	32-1/8	TB77	TB77	4-3/4	PD/2	2-1/4	5400

95.00

Steer Axle Spring 2 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-468	4	27	32-1/8	RB249	RB249	4-3/4	PD/2	2-1/4	5400

100.80

Steer Axle Spring 2 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-482	4	32-1/8	32-1/8	NRB249	NRB249	5-7/16	1Pd/394 2Lf/984 1Pd/473	2-15/16	6000	4" Contant Width,

110.00

Steer Axle Spring 3 Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-492	4	27-1/8	27-1/8	SPB68	SPB68	5	1Pd/315 3Lf/866	3	8420	,

131.00

Steer Axle Spring 2 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-502	4	37	32	NRB295	NRB295	4-3/4	1Pd/315 2Lf/965	2-1/4	6000	,

101.00

Steer Axle Spring 2 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-504	4	27	32	NRB295	NRB295	6	1Pd/315 2Lf/945	2-5/16	5400	,

98.00

KW504XL

Photos are for reference only; the actual part may show minor variances from the picture

Tapered Extra Leaf 59-504XL

39.40

Steer Axle Spring 3 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-506	4	27	32	NRB295	NRB295	5-3/8	1Pd/315 3Lf/866	3	6560

130.00

Steer Axle Spring 3 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-512	4	27	32	SPB81	SPB81	5-3/8	1Pd/315 3Lf/1.024	3-1/2	9500	,

163.00

Steer Axle Spring 2 Leaf Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-514	4	27	32	NRB295	NRB295	5-7/8	1Pd/315 2Lf/984	2-3/8	6000	,

102.00

Steer Axle Spring Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-524	4	27-1/4	27-1/4	SPB68	SPB68	5-13/16	3	3-11/16	5900

129.20

Steer Axle Spring 3 Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-528	4	27-1/4	32-3/16	NRB323	NRB323	5-1/4	1Pd/512 3Lf/984	3-5/8	9500	,

178.00

Steer Axle Spring 2 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-548	4	27-5/16	32-1/4	NRB295	NRB328	6-3/16	2Lf/984	6000

118.00

Steer Axle Spring 2 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-550	4	27-5/16	32-1/4	NRB295	NRB328	6-1/16	1Pd/315 2Lf/984	2-3/8	6600	,

109.00

Steer Axle Spring 3 Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-554	4	27-1/4	32-3/16	NRB323	RB324	5-1/4	1Pd/512 3Lf/984	3-5/8	9500	,

163.00

Steer Axle Spring 2 Leaf

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-560	4	27-5/16	32-1/4	NRB295	NRB295	6-3/16	2Lf/984	2-1/8	6000	,

104.00

Steer Axle Spring 2 Leaf Flag_MX

115.40

Steer Axle Spring 2 Leaf Flag_MX

108.70

Steer Axle Spring 3 Leaf Flag_US

145.70

Steer Axle Spring 5 Leaf 3 Stage

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-582	4	27	32	SPB81	SPB81	5-1/4	1Pd/315 1Lf/906 2Lf/945 2nd 1Lf/1.102 3rd 1Lf/1.339	5-11/16	12000	3 Stage,

271.00

Steer Axle Spring 3 Leaf Flag_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-594	4	27-1/4	32-3/16	SPB81	SPB81	5-1/4	1Pd/512 3Lf/984	3-5/8	9500	,

162.00

Spring

133.70

Spring

147.90

Spring

165.80

Spring

187.90

Spring

117.30

Spring

180.50

Spring

188.30

Spring

205.90

Taper Spring Flag_US

114.00

Spring

124.00

Spring

165.40

Spring

176.70

Spring

188.00

Spring

151.70

Spring

192.60

Spring

531.10

Spring

146.60

Spring

184.00

Spring

202.60

Spring

202.70

Spring

188.80

Spring

246.20

Spring

286.70

Spring

189.30

Spring

187.90

Spring

302.00

Spring

208.60

Spring

174.70

Spring

248.60

Spring

206.20

Spring

277.60

Spring

256.80

Spring

200.90

Spring

235.40

Spring

280.90

Spring

163.30

Taper Spring Flag_US

115.30

Spring

188.30

Spring

243.00

Spring

227.10

Spring

193.60

Spring

202.00

Spring

151.40

Spring

208.20

Spring

211.40

Spring

215.00

Spring

222.90

Spring

275.40

Spring

258.90

Tapered Leaf Flag_US

35.20

Spring

223.80

Spring

279.50

Spring

253.20

Spring

248.10

Taper Spring Flag_US

143.40

Spring

209.90

Taper Spring Flag_US

110.40

Taper Spring Flag_US

213.40

Taper Spring Flag_US

142.40

Taper Spring Flag_US

144.10

Taper Spring Flag_US

142.20

Spring

193.20

Taper Spring Flag_US

129.20

Taper Spring Flag_US

110.00

Taper Spring Flag_US

110.00

Taper Spring Flag_US

139.70

Taper Spring Flag_US

145.70

Taper Spring Flag_US

172.20

Spring

272.40

Spring

272.40

Spring

320.00

Spring

272.40

Spring

323.30

Taper Spring Flag_US

196.60

Taper Spring Flag_US

196.60

Spring

374.50

Taper Spring Flag_US

120.50

Taper Spring Flag_US

138.30

Taper Spring Flag_US

138.30

Taper Spring Flag_US

138.30

Spring

235.40

Spring

209.20

Spring

288.50

Taper Spring Flag_US

104.90

Taper Spring Flag_US

141.80

Taper Spring Flag_US

141.80

Taper Spring Flag_US

152.20

Taper Spring Flag_US

152.20

Taper Spring Flag_US

147.80

Taper Spring Flag_US

134.10

Taper Spring Flag_US

86.20

Taper Spring Flag_US

86.20

Taper Spring Flag_US

134.10

Taper Spring Flag_US

163.00

Spring

85.30

Taper Spring Flag_US

85.30

Taper Spring Flag_US

100.50

Taper Spring Flag_US

100.50

Taper Spring Flag_US

147.80

Taper Spring Flag_US

152.20

Products listed are suggested parts and may not fit every applications. Please verify parts prior to ordering.

Please use this Feedback Form if you have any comments or suggestions, or suspect any inaccuracies in our data.