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2113122 Carter valve spring lightweight design, high compatibility, 24-hour response

2113122 Caterpillar valve spring is a core component of the engine valve train, responsible for controlling valve closure and reset to ensure sealing performance, compatible with Caterpillar engine series, with fatigue and high temperature resistance. Ningbo Qiuning Trading Co., Ltd. offers original and aftermarket options: Original meets Caterpillar standards with stable elasticity; aftermarket passes tests with high cost-effectiveness, satisfying diverse needs.

Product Details

	2113122 Caterpillar valve spring plays a key reset role in the engine valve train. It ensures tight fit between valve and valve seat through continuous elastic force to seal the combustion chamber, and coordinates with camshaft to control valve opening and closing rhythm, ensuring sufficient intake, thorough exhaust, and improving engine power output and fuel efficiency.

	The valve spring is made of high-strength silicon-manganese alloy steel wire, treated with high-temperature tempering, with an elastic limit of 1200MPa, working temperature range -40℃ to 300℃, compatible with Caterpillar C7.1, C9.3, 3512 engine series. Its surface is phosphated for rust prevention, with a fatigue life of over 10 million cycles, reducing faults such as valve leakage and power drop caused by spring failure.

	As a professional supplier, Ningbo Qiuning Trading Co., Ltd. provides both original and aftermarket 2113122 valve springs. Original products strictly follow Caterpillar technical specifications, using imported steel, suitable for heavy-duty operations with extremely high stability requirements; Aftermarket products pass ISO/TS 16949 certification tests, with elastic parameters consistent with the original, priced at 55%-70% of the original, suitable for scenarios with limited budgets but needing reliable parts.

	We have sufficient inventory, supporting 48-hour global delivery, and our technical team can provide installation gap adjustment suggestions. Welcome to consult and purchase according to actual needs:

	WeChat/WhatsApp：+8615888032469

	E-mail：allen@perkins-rx.com

169 BOLT 0S-0484 PC 20

170 ADAPTER-NOZZLE 100-6920 PC 6

171 CARTRIDGE GP-TURBO CHARGER 109-2196 PC 1

172 V-BELT SET 118-2018 PC 2

173 RING WEAR 1M-1571 PC 4

174 FITTING-GREASE (190-8609) 2S-5925 PC 4

175 VALVE-RELIEF 2S-5926 PC 4

176 STARTING MOTOR GP 338-3454 PC 1

177 SEAL (359-1439) 3E-6772 PC 24

178 SEAL O-RING 3S-5496 PC 4

179 BREATHER ASSEMBLY 4N-4668 PC 4

180 GASKET-CHAMBER 4N-7253 PC 6

181 WASHER-HARD 5P-7213 PC 20

182 RING-RETAINING 8H-8830 PC 2

183 SEAL O-RING 8M-5249 PC 12

184 SEAL-U-CUP 8T-2185 PC 2

185 RETAINER 9W-6074 PC 2

CAT 12H - 4ER00983

86 PLATE-THRUST 100-3652 PC 2

187 PUMP ASSEMBLY-FUEL PRIMING 105-2508 PC 1

188 LINER-CYLINDER (371-5941) 110-5800 PC 6

189 AIR COMPRESSOR GP 111-7994 PC 1

190 REGULATOR-WATER TEMPERATURE 111-8010 PC 2

191 GASKET ASSEMBLY-CYLINDER HEAD 111-8015 PC 2

192 VALVE GP-TYRE 116-1327 PC 6

193 PIN 124-3240 PC 1

194 V-BELT SET 166-3361 PC 2

195 CUP-ROLLER BEARING 1B-4038 PC 2

196 CONE-BEARING 1B-4046 PC 2

197 GASKET 1W-3900 PC 1

198 GASKET-MANIFOLD 1W-7964 PC 6

199 GASKET 2A-1162 PC 1

200 NUT-SLOTTED 2F-8057 PC 4

201 VALVE-AIR RELIEF 2G-1034 PC 2

202 KIT-AIR CONTROL VALVE 2G-6285 PC 2

203 INSERT (107-0265) 2W-4837 PC 6

204 BAND-FILLER 2W-6134 PC 6

205 BREATHER ASSEMBLY 2W-9162 PC 4

206 SEAL O-RING 3S-5496 PC 1

207 PIN-SPRING 4H-6996 PC 1

208 SEAL-SLEEVE 4K-7463 PC 2

209 SHIM PACK 4K-7464 PC 1

210 BEARING SLEEVE 4K-8659 PC 1

211 GASKET-PAN PLATE 4M-2969 PC 1

212 SEAL GP-CRANK SHAFT 4W-0452 PC 1

213 BEARING-MAIN (232-3233) 4W-5738 PC 7

214 BEARING-CONNECTING ROD STD 328-5572 PC 6

215 SEAL-LIP 5K-0983 PC 2

216 BEARING SLEEVE 5K-0984 PC 1

217 BEARING ASSEMBLY-ROLLER (143-7356) 5K-0985 PC 1

218 SHIM PACK 5K-0988 PC 1

219 SEAL-O-RING (456-5581) 5S-6670 PC 18

220 RING-PISTON INTERMEDIATE 5S-6750 PC 6

221 TIE ROD GP (131-3736) 6G-1780 PC 4

222 RING-PISTON OIL 6I-0497 PC 6

223 GOVERNOR ASSEMBLY-AIR COMPRESSOR 6I-1240 PC 3

224 CAP-CRANK SHAFT BEARING 6N-8003 PC 7

225 INSERT (107-0268) 7N-4448 PC 6

226 PUMP GP-WATER (172-7772) 7N-6206 PC 1

227 SEAL-WATER 7N-8018 PC 6

228 NOZZLE ASSEMBLY-FUEL VALVE (170-5187) 7W-7038 PC 6

229 KIT-SEAL (376-9017) 7X-2825 PC 2

230 GASKET-FRONT PLATE 8N-0110 PC 1

231 GASKET-COVER 8S-1605 PC 1

232 GASKET-OIL PAN (169-4199) 8S-1965 PC 1

233 KIT-HYD CYLINDER SEAL (246-5916) 8T-6397 PC 2

234 UNIVERSAL JOINT GP 8X-5005 PC 2

235 COUPLING 9D-1491 PC 1

236 SOCKET ASSEMBLY (131-3737) 9D-6523 PC 2

237 SOCKET ASSEMBLY (131-3738) 9D-6524 PC 2

238 RING-PISTON TOP 9S-3029 PC 6

239 KIT-SEAL 9T-9072 PC 1

240 SEAL -WATER 9Y-1798 PC 18

241 SEAL GP-CRANK SHAFT 9Y-9895 PC 1

CAT D8R - 9EM07982

BOLT 0S-0484 PC 20

ADAPTER-NOZZLE 100-6920 PC 6

CARTRIDGE GP-TURBO CHARGER 109-2196 PC 1

V-BELT SET 118-2018 PC 2

RING WEAR 1M-1571 PC 4

FITTING-GREASE (190-8609) 2S-5925 PC 4

VALVE-RELIEF 2S-5926 PC 4

STARTING MOTOR GP 338-3454 PC 1

SEAL (359-1439) 3E-6772 PC 24

SEAL O-RING 3S-5496 PC 4

BREATHER ASSEMBLY 4N-4668 PC 4

GASKET-CHAMBER 4N-7253 PC 6

WASHER-HARD 5P-7213 PC 20

RING-RETAINING 8H-8830 PC 2

SEAL O-RING 8M-5249 PC 12

SEAL-U-CUP 8T-2185 PC 2

RETAINER 9W-6074 PC 2

CAT 12H - 4ER00983

PLATE-THRUST 100-3652 PC 2

PUMP ASSEMBLY-FUEL PRIMING 105-2508 PC 1

LINER-CYLINDER (371-5941) 110-5800 PC 6

AIR COMPRESSOR GP 111-7994 PC 1

REGULATOR-WATER TEMPERATURE 111-8010 PC 2

GASKET ASSEMBLY-CYLINDER HEAD 111-8015 PC 2

VALVE GP-TYRE 116-1327 PC 6

PIN 124-3240 PC 1

V-BELT SET 166-3361 PC 2

CUP-ROLLER BEARING 1B-4038 PC 2

CONE-BEARING 1B-4046 PC 2

GASKET 1W-3900 PC 1

GASKET-MANIFOLD 1W-7964 PC 6

GASKET 2A-1162 PC 1

NUT-SLOTTED 2F-8057 PC 4

VALVE-AIR RELIEF 2G-1034 PC 2

KIT-AIR CONTROL VALVE 2G-6285 PC 2

INSERT (107-0265) 2W-4837 PC 6

BAND-FILLER 2W-6134 PC 6

BREATHER ASSEMBLY 2W-9162 PC 4

SEAL O-RING 3S-5496 PC 1

PIN-SPRING 4H-6996 PC 1

SEAL-SLEEVE 4K-7463 PC 2

SHIM PACK 4K-7464 PC 1

BEARING SLEEVE 4K-8659 PC 1

GASKET-PAN PLATE 4M-2969 PC 1

SEAL GP-CRANK SHAFT 4W-0452 PC 1

BEARING-MAIN (232-3233) 4W-5738 PC 7

BEARING-CONNECTING ROD STD 328-5572 PC 6

SEAL-LIP 5K-0983 PC 2

BEARING SLEEVE 5K-0984 PC 1

BEARING ASSEMBLY-ROLLER (143-7356) 5K-0985 PC 1

SHIM PACK 5K-0988 PC 1

SEAL-O-RING (456-5581) 5S-6670 PC 18

RING-PISTON INTERMEDIATE 5S-6750 PC 6

TIE ROD GP (131-3736) 6G-1780 PC 4

RING-PISTON OIL 6I-0497 PC 6

GOVERNOR ASSEMBLY-AIR COMPRESSOR 6I-1240 PC 3

CAP-CRANK SHAFT BEARING 6N-8003 PC 7

INSERT (107-0268) 7N-4448 PC 6

PUMP GP-WATER (172-7772) 7N-6206 PC 1

SEAL-WATER 7N-8018 PC 6

NOZZLE ASSEMBLY-FUEL VALVE (170-5187) 7W-7038 PC 6

KIT-SEAL (376-9017) 7X-2825 PC 2

GASKET-FRONT PLATE 8N-0110 PC 1

GASKET-COVER 8S-1605 PC 1

GASKET-OIL PAN (169-4199) 8S-1965 PC 1

KIT-HYD CYLINDER SEAL (246-5916) 8T-6397 PC 2

UNIVERSAL JOINT GP 8X-5005 PC 2

COUPLING 9D-1491 PC 1

SOCKET ASSEMBLY (131-3737) 9D-6523 PC 2

SOCKET ASSEMBLY (131-3738) 9D-6524 PC 2

RING-PISTON TOP 9S-3029 PC 6

KIT-SEAL 9T-9072 PC 1

SEAL -WATER 9Y-1798 PC 18

SEAL GP-CRANK SHAFT 9Y-9895 PC 1

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