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

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#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	,

104.70

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_MX

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-182	4	25-3/8	27-3/4	SPB68	SPB68	6-3/8	PD/3/PD/TOWEYE/SHOCKEYE	3-1/4	4800	,

114.20

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/Shockeye 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/Shockbracket 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 Flag_MX

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

P/2/P Steer Axle Spring 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,

116.00

KW428-US

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

P/2/P Steer Axle Spring Made in USA Flag_US

111.00

Steer Axle Spring Pad/2 leaf/2 Pad/Shock Mount

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

Consider KW408 in pairs & reverse direction of shockeye

0.00

Consider KW430 in pairs & reverse direction of shockeye

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 Leaf Steer Axle Spring 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 5 Leaf 3 Stage Flag_US

Ind Std#	Width	Length	Length2	Eye	Eye2	Arch	Leaves	PackThk	Capacity	Comments
59-494	4	27	32	SPB81	SPB81	6	PD/3/1/1	5-3/4	10500	Three Stage,

262.00

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 Flag_US

38.70

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 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 Flag_MX

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 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

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

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